杨大公主H
在句中表示时态:动作的,+ing,表示正在进行,+ed表示过去的或者完成了;而表示被动的,只能是be+动词原形+ed.。若是当名词,只能是动名词,就是动词+ing形式,在句中处于主语宾语或者宾补的位置。动词+ed形式不作名词。
薄荷红茶cheer
形容词变副词的规则: 1.一般情况下直接加“ly”,如quick---quickly 2.以“y”结尾的,先将“y”改成“i”,再加“ly”,如happy---happily 少数以e结尾的形容词,要去掉e再加-ly。例如:true-truly等。 但绝大多数以e结尾的形容词仍然直接加-ly。例如:polite-politely, wide-widely等。 形容词变副词通常是加ly,其变化有规律可循,请记住以下口诀: 一般直接加,“元e”去e加,“辅y”改i加,“le”结尾e改y。 分别举例如下: quick—quickly, true—truly, happy—happily, possible—possibly. 另外: 一、在形容词词尾直接加-ly。如:real-really; helpful-helpfully; careful-carefully; hopeful-hopefully; slow-slowly; quick-quickly; quiet-quietly 二、以辅音字母加y结尾的形容词要变y为i,然后再加-ly。如:busy-busily; angry-angrily; easy-easily 三、某些以辅音字母加不发音的字母e结尾和以-ue结尾的形容词要先去掉e,然后再加-y或-ly。如: terrible-terribly; true-truly; gentle-gently 另外,副词还可以由形容词加前缀a-得来,如:loud (adj.)-aloud (adv.) 此外,部分名词加后缀也可变成副词,如:part-partly。 例句: It is partly her fault. 有部分是她的错。 需注意: friendly; motherly; lovely等词是形容词而非副词。 再看转化副词。在英语中,有些词既可以作形容词,又可以作副词,如early, much, fast, little, wide, loud等。 由于这类词词性虽不同,但词形却一样,这就需要大家学会在特定语境中判断它们各自的词性。例句:Thank you very much. (adv.) 多谢。There is much water in the river. (adj.) 河里有很多水。The music is too loud. Please turn it down. (adj.) 音乐声太大,请调低点。He speaks loud enough. So everyone in the room can hear what he said. (adv.) 他说话的声音很大,所以房间里每个人都能听到他的话。 另外,还有一类副词和形容词词义相同,但拼写却不同,如well和good。例句He speaks good English. 他讲一口流利的英语。He speaks English well. 他英语讲得不错。 多音节y结尾的词 将y改为i后加ly easy-easily happy-happily heavy-heavily 单音节y结尾的词 直接加ly gay-gayly (gaily) sly-slyly (slily) 以ve结尾的词 去e加ly true-truly 以le结尾的词 去e加y gentle-gently possible-possibly 其他以e结尾的词 一律加ly nice-nicely wise-wisely polite-politely 以ll结尾的词 只加y full-fully 以ic结尾的词 加ally automatic-automatically energetic-energetically 其他形容词 均加ly careful-carefully glad-gladly
拎拎同学
四级词汇重点词辨析--看系列:see behold watch look regard view glance gape peep peer 这些词在四级考试中都有“看、注视”的意思:see 看,看见。最通用的一个次。可以指不经意的看到;如:As he stood there, he saw tow men enter the bar. 他站在那里时,看到两个人进入了酒吧。也可以指有意图的看没事物;如:Let’s see your ticket please! 请让我们看看你的票。behold 看着,瞧着。指盯着看,常强调被看之物给人以强烈冲击或印象。如:We beheld the ship sinking. 我们看着那艘船沉下去。watch 看着,注视。强调注视,指注意力集中与受到吸引,全神贯注,常用于祈使句中。如:He breathlessly watched the spider attempt to spin its web for the third time. 他凝神屏息地观看那蜘蛛试图第三次结网。look 看,打量,注视。用途广泛的一个词。可以指有意识地把目光转向某事物关看;如:The passers-by looked into the window curiously. 路人好奇地往窗子里面看。也可以指偶尔不经意地把眼光转向某事物;如:He looked absent-mindedly here and there only to see nothing. 他心不在焉地东瞧西看,什么也没看见。regard 看着,打量着,审视着。指从一定距离上观看,或怀着某种特定的情绪态度打量。如:The policeman regarded the movements of the man across the street with suspicion. 那警察怀疑地打量着街对面那个男人的举动。view 审视,察看。意指看着呈现在面前的东西,带有仔细察看和审视的意思。如:He viewed a map carefully before setting off. 出发之前,他仔细地审视了地图。glance 扫视,匆匆一看。强调突然迅速地看一眼。如:She glanced along the road to see if he was coming. 她沿路扫视着,看他是否要来了。联想助记:gl开头的好多词都有一种流动的光(glimmer glisten glance等等)的感觉,扫视就有这样一种感觉。gape (at) 目瞪口呆地凝视;张着嘴注视(常与at连用)。如:She gaped at the strange tall man她目瞪口呆地凝视着这位高高的陌生男人。联想助记:g+ape(猩猩)à好象猩猩看人一般,猩猩看到人的时候,眼睛睁大,瞳孔放大,嘴角上翘,嘴角流出一些液体,吃惊的看着你,主要是觉得你长得和它差不多,真奇怪,吃惊的看。peep 偷偷摸摸地看;窥视(常与at, in, out, into连用)。指从小的洞口或躲藏处窥看。如:He peeped through the door.他从门后偷窥。联想助记:p(趴着)+ee(眯着眼)+p(漂亮)à趴在门上两个小眼睛斜看着漂亮妹妹,偷窥的感觉就出来了。peer 专心地,努力地看。指使劲地,审视地窥看,似乎在努力要看清楚一些。如:peering impudently into your face. 仔细的看你的脸。联想助记:p(趴着)+ee(眯着眼)+r(联想成眼角的鱼尾纹)à趴在那里努力地眯着眼睛看,连眼角的鱼尾纹都出来了。大家想想近视眼的人不带眼镜看东西就是这个样子。border fringe margin edge rim brim 这六个词在四级考试中都有边缘边界的意思:border n. 边沿,边界区域,将政治实体分离的界限及周边地区。the criminal escaped over the border. 罪犯逃过了边界。联想助记:b联想保护+order命令:接受命令保护边界fringe n.(窗帘、衣物)穗,毛边;刘海(额头前的短发);边缘,外围。hair forming a fringe around his bald head.头发在他的凸头上形成了刘海。联想助记:男生们喜欢手指finger戴戒指ring,眼睛e大大有刘海fringe的女孩。margin n. 书页边缘,页边的空白;(大块区域的)边缘地区。the margin of a river 河边联想助记:marg-联想magazine杂志+in里面:页边的空白在杂志里面。edge n. 缘,端:刀口,利刃;两平面相接处的交线,棱角。the edge of a cliff.悬崖的边缘联想助记:d不发音,ege联想为两个眼睛ee一个鼻子而形成棱角。rim n. 边,轮缘;指圆柱形或类似圆柱形的开口处的边缘。the rim of a clipped glass. 有缺口的杯子的边缘。联想助记:rim的动词指镶边,给…加边框;所以rim的名词指容器的开口的边缘。brim n. 边,边缘;也指圆形物的边缘,但常与盛满的容器相联系使用,并延伸用与非圆形物体。the tea cup was filled to the brim. 茶杯满到杯子边了。联想助记:brim的动词指注满溢出,所以brim的名词指盛满的容器的边。consider (to be) regard (as) treat (as) take...for... 都含“认为...是...; 当作...”意思。consider vi.& vt. 考虑;思考;认为;以为。侧重“经过考虑而认为”,表示“一种比较客观的看法”。All the critics consider the book a masterpiece.所有的评论家都认为这本书是一本杰作。regard vt. 看待, 当作。regard (as)指“把...认为”、“把...看作”,表示“以外部形象得出认识,外在的评估或个人的主观认识,有时指视觉的评价”。regard him as a friend 把他看作朋友。treat 表示“在某种认识的基础上看待或对待,以某种特定的方式行动或表现”。重在行动,而不在认识。They will not be treated as enemies. 他们不会被当作敌人对待。take...for...“主观的认为,假设是…常有误解的意思”We must not take it for granted that the board of the directors will approve of the investment plan.我们决不可想当然地认为董事会一定会批准这个投资计划的。summit peak climax 都含“最高点”或“顶端”的意思。summit / 5sQmit/ n. 山峰;顶点、成就的顶峰。特指“山头的最高顶面以及政府首脑的最高级别或政治活动的最高级别”。This is the summit of the mountain, we can’t get any higher.这里是山顶了,我们不能再爬得更高了。peak /pi:k/ n. 山顶,顶点,隆起部分。指“山中的最高峰”, 还可指“程度、数量、物体等的尖端”the peak output最高产量。climax /5klaImAks/ n. 高潮, 顶点。指“兴趣、情绪或重要性的最高点”或“戏剧、小说等情节的高潮”His quarrel with his father brought matters to a climax. 他与他父亲的争吵使得事态发展到了顶点。beat hit pound thrash blow whip strike flog knock 这些词都含有“打击”的意思。beat 打击。最通用的一个词。广泛用来指反复打击的行为,未说明所用工具、打击对象及力度。如:They beat him unconscious. 他们把他打得失去知觉。She tried to beat the mosquitoes away. 她努力想打跑蚊子。hit 瞄准、打击。指有力地瞄准一击,不表明打击工具及目标。如:The little boy hit him hard enough to blacken his eyes. 这小男孩给他重重的一击,把他眼睛打青了。pound 重击,捶打。指用拳头或其它重物一再重击。如:The boxer pounded his opponents hard. 这个拳击运动员重拳连击他的对手。thrash 挥打,抽打。原意指用打谷器抽打谷物;现用于喻意,指挥舞手臂或棒棍抽打。如: As he swam, he thrashed water with his hands. 他游水时,用手臂划水。blow 打击,一击。只能用作名词;指用张开或合着的手,或武器的重重一击。如:He knocked them both down with one blow. 他重重的一击把他们双双打倒。whip 鞭打,抽打。 指用鞭或鞭状物反复抽打。strike 打击。 (1) 大体与hit可以互换。如:He strikes/hits the boy. 他打了这男孩一下。 A stone struck/hit me on the head. 一块石头击中了我的头部。(2)常用与某些专门的场合。如:Lightning struck the barn. 雷电击中了谷仓。 to strike a dagger into sb. 把匕首捅入某人身体。flog 鞭打。指鞭打,尤其指用带有分叉的皮条抽打,但也可以指用任何软硬器具的抽打。如:Convicts were mercilessly flogged in Australia’s early days. 早先在澳大利亚,人们无情地抽打犯人。knock 打,敲。(1) 指有力地打击,以使成为某种状态。如:Knock down the imperialists. 打倒帝国主义。 The blow knocked me flat. 这一击把我打躺下了。(2) 指反复打击出声。如:When knocked, the ancient chime bells produce melodious tune. 当你敲打古代编钟,他们会发出优美的音调。get obtain gain acquire procure secure derive achieve attain都含有一定的“得到,获得,达到(目的)”之意get 得到,获得。使用最广泛的一个词,包含有意努力去获得或被动地得到之意。如:Where did you get those figures? 你在哪得到这些数字的?obtain得到,获得。较正式用词,常用于较正式的上下文中,强调努力从某物中去寻求、获取。指经过努力或付出代价或经过很长时间儿得到所需要的东西如:Many ancient alchemists had tried in vain to obtain gold from lead.很多古代术士徒劳地试图从铅中获得黄金。gain 获得,得到。指通过努力与付出而得到,但需要做出比obtain更大的努力,含有通过竞争获得某些有价值的东西的成分;另外也指通过一点一滴积累中获得某事物的过程。如:He gained full marks in the examination.他在考试中获得满分。 Step by step he gained the child’s confidence.他一步步地获得了孩子的信任。acquire 获得。指经过持续而缓慢的不懈努力获得技术、知识等抽象的东西过程,有收集或增长之意,常指学习过程;也指养成习惯等。如:Quite a few young people have acquired education through self-teaching.不少青少年通过自学而获得教育。procure 获得。指通过谋划与手法获得到不易获得的事物,包括不正当的勾当,语气上可以表示中立,也可带有责备之意。如:Can you procure that rare old book for me? 你能设法为我搞到那本珍惜的古籍吗?secure 获得、获取。正式用词,重点在于表达获得事物和维持事物的困难性。如:He is lucky to have secured himself such a good job.他很幸运,给自己弄到并保持住了这样一份好工作。derive 从…获得,得到、源自。常指自然获得的结果,指一个客观过程。如:Everyone may derive benefit from physical exercises. 每个人都可以从体育运动中获得好处。achieve 达(得)到(目的、成就)。强调通过持续的努力,克服困难后达到某项意想的目标,通常指明达到此目标的某种方法、方式、程序等。如:Only by practice can we achieve mastery.只有实践才能达到精通。attain 达到、实现。正式用语,与achieve基本意义相近似,常用于表达期盼目标,但事先并无把握能否成功。如:They attained a decisive victory in the hard-fought battle.在这场艰苦的战斗中,他们取得了决定性的胜利。defend guard protect preserve conserve 这几个词都含“保护、保卫”的意思。defend vt. 保卫、捍卫、防御、辩护。强调眼前存在危险,并暗示使用强力或其他对应措施来加以保护。同时也指法律中的辩护。应用范围很广, 对象可以是具体的, 也可以是抽象的(保卫祖国;捍卫自己的权利、名誉等) 例:Defend oneself against enemy. 防御敌人。 联想助记:defend 谐音提防的,我们要提防敌人保卫祖国。guard v.保卫, 警卫,看守 n.守卫。指十分小心警觉、注意观察、戒备, 保护某事物,以防实际发生的或潜在的攻击或伤害” 例:The dog guarded the house.狗守护着房子。 联想助记:一部著名电影<
朱迪迪迪
1. come & be here [误] He has come here for three hours. [正] He came here three hours ago. [正] He has been here for three hours. come是瞬间动词,不是延续性动词,在肯定句中不能与表示一段时间的状语连用。而要与表示一段时间的状语连用,就要用延续动词。 与此同类的还有borrow/lend-keep; join-be in/at; die-be dead; buy-have; leave-be away,etc. 2. cost & take & spend & pay [误] I cost a lot of time to read stories. [正] It cost me a lot of time to read stories. [正] I spent a lot of time reading stories. cost除了钱的花费以外,还能表示时间上的花费,但常用物做主语。spend句子主语是人,可指花费时间和金钱,但后面的动词要用-ing形式,后面也可跟名词短语,介词用on。pay句子主语是人,常与for连用,buy也常与for连用,但花费“钱”要放在介词for后面,而pay则放在介词for前面。 3. join & take part in [误] He joined the League for two years. [正] He joined the League two years ago. [正] He has been in the League for two years. [正] He has been a League member for two years. join指“参加”组织,成为一个成员,join sb.意思是“加入某人”,take part in指参加活动特别是大的运动;如指“参加…多长时间”就要用延续动词be in或be a …member,而不能用join。 4. borrow & lend & keep [误] She has lent me the book for a week. [正] She lent me the book a week ago. [正] It’s a week since she lent me the book. borrow和lend是短暂性动词,在肯定句里不和表示一段时间的状语连用,keep延续动词,可与表示一段时间的状语连用。 borrow意思是“借(进)”,后面跟介词from,lend意思是“借(出)”,后面跟介词to,lend也可用于某些成语中,如lend sb. a hand。 5. lie & lay & lain [误] She laid down the book and laid in bed. [正] She laid down the book and lay in bed. lie有两个意思,一个是“说谎”,过去式和过去分词是在词尾加-d;另一个是“躺,卧;位于”,是不规则动词,其过去式和过去分词是lay、lain,现在分词是lying。 lay意思是“放;孵(蛋)”,其过去式和过去分词是laid、laid。 6. be made in & be made of & be made from & be made up of [误] The table is made from wood. [正] The table is made of wood. be made in意思是“由……生产”,强调产地;be made of意思是“用……制成”,强调从成品上能看出原料,制成物没改变原料的本质;be made from意思也是“用……制成”,强调从制成物上看不出原料,制成物已改变原料的本质;be made up of意思是“由……构成或组成”,指人或物都可,指结构成分。 7. stop to do & stop doing [误] He was too tired, so he stopped having a rest. [正] He was too tired, so he stopped to have a rest. [误] Look! The teacher is coming. We must stop to talk. [正] Look! The teacher is coming. We must stop talking. stop to do意思是“停下(正做的事)(开始)去做(别的某事)”,带to的不定式在句子中作目的状语;stop doing意思“停止做某事(不做了)”,带-ing形式的动名词在句子中作宾语。 一、容易混淆的动词: [考试说明] 了解及物动词和不及物动词用法;掌握动词不定式作宾语、宾语补足语、状语以及疑问词连用构成不定式短语的基本用法;理解动词不定式作主语和定语的用法;初步掌握延续性动词和瞬间动词在用法上的区别等。 1. come & be here [误] He has come here for three hours. [正] He came here three hours ago. [正] He has been here for three hours. come是瞬间动词,不是延续性动词,在肯定句中不能与表示一段时间的状语连用。而要与表示一段时间的状语连用,就要用延续动词。 与此同类的还有borrow/lend-keep; join-be in/at; die-be dead; buy-have; leave-be away,etc. 2. cost & take & spend & pay [误] I cost a lot of time to read stories. [正] It cost me a lot of time to read stories. [正] I spent a lot of time reading stories. cost除了钱的花费以外,还能表示时间上的花费,但常用物做主语。spend句子主语是人,可指花费时间和金钱,但后面的动词要用-ing形式,后面也可跟名词短语,介词用on。pay句子主语是人,常与for连用,buy也常与for连用,但花费“钱”要放在介词for后面,而pay则放在介词for前面。 3. join & take part in [误] He joined the League for two years. [正] He joined the League two years ago. [正] He has been in the League for two years. [正] He has been a League member for two years. join指“参加”组织,成为一个成员,join sb.意思是“加入某人”,take part in指参加活动特别是大的运动;如指“参加…多长时间”就要用延续动词be in或be a …member,而不能用join。 4. borrow & lend & keep [误] She has lent me the book for a week. [正] She lent me the book a week ago. [正] It’s a week since she lent me the book. borrow和lend是短暂性动词,在肯定句里不和表示一段时间的状语连用,keep延续动词,可与表示一段时间的状语连用。 borrow意思是“借(进)”,后面跟介词from,lend意思是“借(出)”,后面跟介词to,lend也可用于某些成语中,如lend sb. a hand。 5. lie & lay & lain [误] She laid down the book and laid in bed. [正] She laid down the book and lay in bed. lie有两个意思,一个是“说谎”,过去式和过去分词是在词尾加-d;另一个是“躺,卧;位于”,是不规则动词,其过去式和过去分词是lay、lain,现在分词是lying。 lay意思是“放;孵(蛋)”,其过去式和过去分词是laid、laid。 6. be made in & be made of & be made from & be made up of [误] The table is made from wood. [正] The table is made of wood. be made in意思是“由……生产”,强调产地;be made of意思是“用……制成”,强调从成品上能看出原料,制成物没改变原料的本质;be made from意思也是“用……制成”,强调从制成物上看不出原料,制成物已改变原料的本质;be made up of意思是“由……构成或组成”,指人或物都可,指结构成分。 7. stop to do & stop doing [误] He was too tired, so he stopped having a rest. [正] He was too tired, so he stopped to have a rest. [误] Look! The teacher is coming. We must stop to talk. [正] Look! The teacher is coming. We must stop talking. stop to do意思是“停下(正做的事)(开始)去做(别的某事)”,带to的不定式在句子中作目的状语;stop doing意思“停止做某事(不做了)”,带-ing形式的动名词在句子中作宾语。二、容易混淆的名词: [考试说明] 了解名词在句中所充当的成分,理解并能区别所学的可数名词和不可数名词;熟练掌握所学可数名词复数形式的构成,在口语和书面语的表达中正确运用;掌握物质名词及其数量的表达方法;了解专有名词的概念及一般用法;熟练掌握所学名词所有格的用法;了解集合名词和抽象名词的概念及一般用法。 1. job & work [误] I’m busy today, for I have a lot of jobs to do. [正] I’m busy today, for I have a lot of work to do. job意思是a piece of work,指已做或要做、应做的具体的某种工作,实际含义是“职业”,而work通常指抽象意义上的工作,是不可数名词,也可指“工作场所”。 2. by train & change trains [误] We came here by the train. [正] We came here by train. [正] We came here on/in the train. [误] We have to change the train at the next station. [正] We have to change trains at the next station. train意思是“火车”,表示“乘火车”,用by train或on/ the train,表示“换火车”,train必须用复数形式,且前面不加限定词。三、容易混淆的形容词: [考试说明] 熟练掌握形容词作定语、表语及宾语补足语的用法;熟练掌握表示时间、地点、方式、程度、原因等疑问副词的用法;熟练掌握形容词、副词比较等级的构成和 good、well、many、much等不规则变化;掌握little、far、ill、bad、badly等不规则变化;能熟练运用下列句型表示两者 (人或事物)和三者或三者以上(人或事物)的比较;初步掌握用much、little等副词在用法上的区别。 1. any & some [误] Have you got some money with you? [正] Have you got any money with you? [误] Would you like any milk? [正] Would you like some milk? any和some意思是“一些”,用作定语,可修饰可数名词和不可数名词。any多用于否定句和疑问句,some多用于肯定句。 但如果说话人表示“请求,提议”或“希望得到肯定回答”的意义时,some也可用在疑问句中;some还可用于单数名词前,表示未知或说话人不想特别说明的人、地、物等,意思是“某一,某个”。 如果表示“任何,无论哪个”时,any可用在肯定句中。 2. either & each & both & neither & every [误] There are many flowers on either side of the street. [误] There are many flowers on neither side of the street. [误] There are many flowers on each sides of the street. [正] There are many flowers on both sides of the street. [正] There are many flowers on each side of the street. [误] Every student has not finished their homework. [正] No student has finished their homework. either意思是“两者之一的”,each意思是“任意一个的”,neither意思是“两者都不的”,every强调整体,意思是“个个”。 3. few/little & a few /a little [误] Sorry, I have few money on me. [正] Sorry, I have little money on me. [误] Her books are few. [正] She has few books. [误] The work needs a few number of workers. [正] The work needs a small number of workers. [正] The work needs a few workers. few后跟可数名词复数,little后跟不可数名词,都表示“几乎没有”的否定性意思;a few和a little区别也在于前者跟可数名词,后者跟不可数名词,都表示“有几个”的肯定性意思。 4. no & not no意思是“没有”,可以否定一切名词,修饰不可数名词和可数名词的复数时等于not any,修饰可数名词单数时等于not a/an;如果被修饰的名词通常情况下只有一个,则用它的单数形式;不能用a、the、all、every等限制词之前,而not可以。 not意思是“不,不是”,可以否定一切动词,修饰动词。 no more than意思是“不过,仅仅”,相当于only,修饰“数量”词,强调“少”的含义;not more than意思是“至多,不多于,不超过”,用于陈述事实;no more…than和not more…than多用于多音节形容词的比较级。 5. already & yet & still [误] When we arrived at the airport, the plane had taken off yet. [正] When we arrived at the airport, the plane had taken off already. [正] When we arrived at the airport, the plane had already taken off. already意思是“已经”,一般用于肯定句,常与完成时连用,常用于句中;yet意思是“已经,还”,一般用于否定句和疑问句,常用于句末;still意思是“仍然,还是”,强调动作在进行,主要用于肯定句,常用于句中。 6. also & too & either & so & neither & nor [误] My parents didn’t like swimming, nor did his. [正] My parents didn’t like swimming, neither did his. also用于肯定句,一般放在行为动词之前、助动词、情态动词、系动词之后,too一般用于肯定句末,前面常用逗号;either一般用于否定句末,前面也用逗号;so置于句首,引起句子倒装,表示前面所讲的情况也适用于另一个人或物,具有否定的意思;so后的主语与前一句主语是同一个人或物时,后面的主谓不倒装,表示“确实如此”;neither置于句首,引起句子倒装,表示前面所讲的情况不适用于另一个人或物,具有否定的意思;nor常与 not连用,表示“也不”,neither和nor都可用来对前面的否定陈述加以补充,如果补充的成分否定的不是同一事物,同一内容,就只能用nor,不可用neither;当否定的并列分句有两个以上时,只能用nor,因为neither只能指两者中的一个,nor指三个以上的另一个。 7. sometimes & sometime & some time & some times [误] You can only keep the book for sometime. [正] You can only keep the book for some time. sometimes是频度副词,意思是“有时,不时”,常与一般现在时或一般过去时连用;sometime是副词,意思是“在某个不确定的时间,在某个时候,某时”,可与将来时或过去时连用;some time是名词词组,意思是“一段时间”,做时间状语,也可用作副词词组,用来指一个未肯定的时刻,常指将来,此时可与sometime通用;some times是名词词组,意思是“几次,几倍”。四、容易混淆的介词: [考试说明] 熟练掌握介词in、on、at、to、from、by、with、for、about、before的常见用法;理解这11个介词的其他用法及所学其他介词的一般用法。 1. above & over; below & under [误] Our classroom is over theirs. [正] Our classroom is above theirs. [误] The plane flew above the bridge. [正] The plane flew over the bridge. [误] The lights hung above the desk. [正] The lights hung over the desk. above、over都表示“在…上面”,且都表示表面不接触的上方,但over指垂直在上,而above则表示位置较高,不一定是正上方。 below、under都表示“在…下面”,below指位置低于某物或在某物的下方,但不一定在某物的正下方,其反义词是above,而under指在某物的正下方,有垂直在下的意思,其反义词是over。 2. by & on & over & through [误] They’re talking on the radio. [正] They’re talking by radio. “通过无线电交谈”习惯上说talk by radio,名词前不加冠词。 “通过收音机听到”习惯上说hear sth. on/over/through the radio,名词前加冠词。 “通过电视看到”习惯上说watch sth. on TV。 “通过电话交谈”习惯上说talk with sb. on/over the telephone。 “通过人造卫星收发电视节目”习惯上说through man-made satellites。 3. in & on & to [误] Tian wan is to the east of China. [误] Tian wan is on the east of China. [正] Tian wan is in the east of China. 表示方位“在……(东西南北)边)时,介词in、on、to有不同的用法。以“在……东部”为例,表示在该地范围之内,用in the east of,表示在该地与某地“相邻”,有接壤之意,用on the east of,表示不在该地范围,且有中间物,用to the east of。 4. in the end & at the end of & by the end of & at last 都有“最后”的意思,但in the end表示“结果,末了”,与at last是同义词组,at the end of表示“在……末端,尽头”,后面要接名词短语,by the end of表示“在……结束时,末了为止”,后面接时间短语。 5. to & for & toward(s) [误] He is leaving to HongKong next month. [正] He is leaving for HongKong next month. to,toward(s)作静态介词,表示静态位置时,均表示“朝……”或“向……”,一般两者可通用,towards指时间“将近”,意思是 nearly;to则表示一段时间的终点,“差……到”的意思;for常用在leave、start等后面,表示要去的目的地,不可用to。五、容易混淆的连词: [考试说明] 掌握并列连词(如:and、but、or)和从属连词(如:when、if、that等)的基本用法。 1. because & since & as & for [误] Because he was ill, so he didn’t go to school today. [正] Because he was ill, he didn’t go to school today. [正] He didn’t go to school today because he was ill. because通常表示说话人认为这种理由或原因是正式的理由。在含because的句子中,全句强调的重点在原因上,不在主句的结果上。因此,回答why提出的问题时,只能用because,不能用since、as或for。because of后面只能跟短语,不能跟从句。 since表示的原因,指人们已知的事实,常译为“既然”,引导的从句只是一种附带的说明原因,不是对原因的强调。because与since不能与so连用。 as表示原因与since差别不大,只是语气更弱,是显而易见的理由。 for表示因果关系时,可与because替换使用,所不同的只是它只能放在主句之后,不能放在句首。在含for的句子里,for从句有时只是对主句补充说明理由或推断原因,与前一分句不存在因果关系。 2.either…or… & neither…nor… & not only…but also… & both…and… [误] Either he or I are right. [正] Either he or I am right. 前三个连词连接名词、代词等作主语时,谓语动词要与离其最近的主语的单复数一致,both…and…的谓语动词则要用复数。 六、容易混淆的代词: [考试说明] 熟练掌握人称代词主格、宾格形式及基本用法,在口语和书面语的表达中正确运用;掌握形容词性物主代词和名词性物主代词的基本用法;掌握反身代词作为宾语和同位语的基本用法;熟练掌握指示代词和疑问代词的基本用法。 1. either & each & none & neither & both & all & some [误] Either of the books are good. [正] Either of the books is good. either/ each / none / neither of+复数名词或代词作主语时,谓语动词用单数, 其中neither的也可用复数;both/ all /some of+复数名词或代词作主语时,谓语动词用复数
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