初中英语表语从句

过去、现在和将来以及完成时态，从句有状语从句、名词性从句和定语从句

主语从句有it的形式主语，宾语从句一般是动词后的，状语从句分为时间和地点状语从句。

定语，宾语，主语，表语，条件状语从句，一般常见的从句我们都要学，只不过有的学的都是最简单的啦，你到百科里查从句，会列出很多种，又很全面，你就可以具体认识了。

宾语从句 状语从句 主语从句 表语从句 主语从句

有三大类1.名词性从句 2.定语从句 3.状语从句名词性从句中分：1.主语从句：例，it is important to read book.(形主it作主语，真正的主语是to read book)that air has pressure was known long ago.(关联词that引导的句子that air has pressure作主语从句)2.宾语从句：I think it necessary that he should do his homework.(形式宾语it引导的)I'm sure that my test will succeed.(sure后用that引导的宾从)3.表语从句：系动词后的从句it may be as you say(be是系动词，后面用as引导的)this is that he is too young to go to school.(有系动词is，后面由that引导的表语从句)4.同位语从句：同位语从句是对前面名词的解释说明，如：The facts that he had done his homework.(事实就是he had done his homework，是对前面the facts的解释，是什么事实)定语从句：在句子中起定语作用，修饰剧中的名词或代词的从句叫定从例：the man (who is shaking hands with my father) is my teacher.(括号中就是定从，修饰限定the man)BeiJin is a city (which has a long history).(括号中是定从，修饰the city)状语从句：在复合句中担任状语成分的从句叫状语从句例：I will tell her about that (when i see her). 为时间状从just stay (where you are).为地点状语Because he is ill,he is absent today.为原因状语