2022考研的小伙伴们即将进入暑期强化阶段，在考研路上英语复习一直是一道难以跨越的砍，我们的同学最怕的就是长难句，其实这些长难句是建立在基础句子的基础之上的。下面小编整理考研英语中常涉及到的一些基础语法，供大家参考。

　　三特殊句式

　　1. 强调

　　1)助动词(do/does/did)+动词原形

　　I do like you. / she does hate me.

　　2) 强调句型

　　It is/was/+强调内容+that/who +其它成分

　　判断强调句型：去掉It is/was和that/who，句子成分完整。

　　Eg: She bought a book yesterday in my store.

　　(强调句1)It was she who /that bought a book yesterday in my store.

　　(强调句2)It was a book that she bought yesterday in my store.

　　2. 倒装： 完全倒装/部分倒装

　　完全倒装

　　1)强调宾语或者表语时

　　正常语序：she is beautiful.

　　Beautiful is she./ As beautiful is she, she can have more choices than others.

　　总结：完全倒装的识别：谓语动词完全放在主语前面。

　　部分倒装：

　　1)否定词放句首时： Never had I been to your hometown.

　　2) Only引导的状语或者状语从句放句首时: Only in this way, can I study english well.

　　总结：部分倒装的识别：助动词(do/does/did)\情态动词(can/could/would/should/may/might/must/will)放主语前+剩余的动词部分+其他成分

　　3. 形式主语

　　It is+形容词+that从句/to do短语(真正的主语)

　　4. 形式宾语(it/them...)

　　5. 指代： it/ that/these/those/ such +名词

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