小萝莉的春天
好多年...must就是必须,最强烈的表达,例如学校的规章制度之类的.have to 是不得不,没有办法,不情愿但还是要做的事情be sure就是肯定I am sure he will come.That man can't be Mr.Liu.You have to learn English.You will like her.(很多时候一定并不是要翻译成以上几种的,像这里will就能表达"一定"了)(不过must在这里还是可以用的,像你说的,you must like her,没有什么大的不妥当.)其实不是"一定是一定要"之类的问题了,没有那么微妙的东西的.你迷惑的其实就是"一定没有""一定不"的翻译怎么翻.一般来讲,一定不应该翻译为can't be.但是像你那样,在完成时态下,怎么用都不自然了.你那样卡的确不好,也不能那么翻.(这里硬用must其实是因为中文思维)1.oh,I bet you haven't tasted this yet.You haven't had this yet, of course.oh, you surely haven't had this yet.2.I am pretty sure you didn't turn up for school yesterday!(注:这里用完成时态不恰当)You definitely didn't go to school.3.He just hasn't come yet,don't worry.oh,he must be on his way, there's no need to worry.(这里是稍微变化了一下意思,很自然地把must用进去了)He just can't be here right now.don't worry.总结,一旦碰到你的情况,就是要在否定的情况下表示一定的意思,有3种方法:一.用副词来表示(surely,definitely).二.用"我肯定"来表示(I bet我打赌I am sure我确定I believe我相信).三.巧妙地转化句子,例子看3里的那句.(四)或者,不用加东西,直接把否定的东西说出来,也有肯定的意思,这个具体看语境.
安居客jismkll
副词（adverb，简写为adv）是一种用来修饰动词、形容词、全句的词，说明时间、地点、程度、方式等概念的词。副词是一种半虚半实的词。副词可分为：地点副词、方式副词、程度副词、疑问副词和连接副词。副词连用顺序：程度副词+方式副词+地点副词+时间副词。 1) 时间和频度副词: now,then,often,always,usually,early,today, lately, next,lastday,already,generally,frequently, seldom,ever,never,yet,soon,too, immediately, finally,shortly, before, ago,sometimes, yesterday. once，twice 2) 地点副词: here, there, everywhere, anywhere, in, out, inside, outside, above, below, down, back, forward, home, upstairs, downstairs, across, along, round , around, near, off, past, up, away, on. 3) 方式副词: carefully, properly, anxiously, suddenly, normally, fast, well, calmly, politely, proudly, softly, warmly 4) 程度副词: much,little, very,rather,so,too,still, quite, perfectly, enough, extremely, entirely,almost, slightly, hardly. 5) 疑问副词: how, when, where, why. 6) 关系副词: when, where, why. 7) 连接副词: therefore,moreover,however,otherwise,then.
CamillaGao
副词是用来形容动词的。比如说I walk quickly. 这里walk是动词,quickly是用来形容walk，所以整句i话意思是我走得很快。一般副词是以ly结尾，也有例外，副词不一定就只有一个词，副词的英文是adverb.其实把这个词拆出来，可以看成ad, 和verb,verb就是动词。
笑之典典
1) 时间和频度副词: now,then,often,always,usually,early,today, lately, next,last,already,generally,frequently, seldom,ever,never,yet,soon,too, immediately, hardly,finally,shortly, before, ago,sometimes, yesterday. 2) 地点副词: here, there, everywhere, anywhere, in, out, inside, outside, above, below, down, back, forward, home, upstairs, downstairs, across, along, round , around, near, off, past, up, away, on. 3) 方式副词: carefully, properly, anxiously, suddenly, normally, fast, well, calmly, politely, proudly, softly, warmly 4) 程度副词: much,little, very,rather,so,too,still, quite, perfectly, enough, extremely, entirely,almost, slightly. 5) 疑问副词: how, when, where, why. 6) 关系副词: when, where, why. 7) 连接副词: how, when, where, why, whether.
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