4. “only + 状语”放在句首，句子半倒装

[典型句子]

Only when the war was over did he return to work.

直到战争结束他才回去工作。

Only after you have reached eighteen can you join the army.

你只有到了18岁才能参军。

Only in that way will we be ready for the challenges and opportunities in life.

只有这样，我们对生活中的机遇和挑战才会有充分的准备。

Only by changing the way we live will we be able to save the earth.

只有改变生活方式，我们才能拯救地球。

[名师提醒]这种结构的倒装只在only引导状语的时候使用，only引导主语的时候不用倒装。

Only in this way can you work out the problem.

你只有用这种方法才能做出题目。

Only this way can help you work out the problem.

只有这种方法才能帮你做出题目。

5.so + be动词/助动词/情态动词等 + 主语 “……也……”(表示肯定意思)

neither/nor +动词/助动词/情态动词等 + 主语 “……也……”(表示否定意思)

[典型句子]

In the past 20 years, our society has changed a lot, so have our eating habits.

近20年来。我们的社会发生了很大的变化，我们的饮食习惯也变了。

Tom didn’t attend the meeting last night; nor did Mary. Tom

没来参加昨晚的会议，Mary也没来。

I have never been abroad. Neither/Nor has Tom.

[比较1] “so + 主语 + 助动词” 表示肯定已有的观点或事实

[典型句子]

–We have all worked hard these days.

–So we have.(的确如此)

I promised to help him, and so I did.(我确实帮助他了)

[比较2] “主语 + 助动词 + so” 表示按照别人的要求去做

[典型句子]

The wounded little boy asked me to lift him up and I did so.

The doctor asked Charlie to breathe deeply and he did so.

6.so it is with somebody = it’s the same with somebody前者怎么

样，后者也怎么样

[名师提醒]前面既有否定句又有肯定句，或有多个谓语动词或助动词难以选择时，用此句型。

[典型句子]

John likes English but he doesn’t like maths, so it is with me (so it is the same with me).

Tom is a student and he studies hard, so it is with me.

–He was really manly enough to be responsible for what he had done.

他像个男子汉，敢于对自己的所作所为负责。

–So he was, and so it was with you.

他的确如此，你当时也一样。

相关推荐：
高考英语语法典型习题：状语从句
高考英语语法典型习题：名词性从句
高考英语语法典型习题：主谓一致