【导语】英语语法让很多学生都头疼,因为复杂难懂的句式和词组有时难以记忆。英语网为大家整理了英语语法大全,希望对同学们的英语语法学习有所帮助。更多内容尽在英语网。
1. 备考主语从句应注意以下三点
一是从句作主语,主句谓语动词用第三人称单数;
二是主语从句通常用it作形式主语,尤其是在It is +名词 / 形容词 / 过去分词+that中,或在It seems / happens that中,或疑问句中;
三要注意由what, whatever, whoever引导的主语从句一般不用形式主语。
2. 备考宾语从句应注意以下四点
一是介词后(except等除外)一般不跟that引导的宾语从句,但可接疑问词引导的宾语从句;
二是在that引导的宾语从句后若还有补语时,要用it作形式宾语,而将that从句置于补语之后;
三是当主句谓语动词是think, believe, suppose, expect, imagine等时,若宾语从句要表示否定意义,往往要通过否主句来实现,即所谓否定转移;
四是虽然引导宾语从句的that有时可以省略,但若宾语从句前有插入语或有间接宾语时,that不能省略;that在与之并列的另一个宾语从句之后或者在形式宾语it+宾补之后时也不能省略;that从句单独回答问题时,that也不能省略。
3. 备考表语从句应注意以下三点
一是除that, whether和疑问词外,as, as if, as though, because也可引导表语从句;
二要注意thats why+结果以及thats because+原因的区别;
三是注意the reason (why / for) is that句式。
在国外要慎用的8个英语单词[1]
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