"only+ "位于句首时,句子需用部分倒装。
规则3:五个重要句型
(1)用于no sooner... than...,hardly... when...句型中
No sooner had she gone out than the class began.
Hardly had I entered home when the bell rang.
【归纳总结】
no sooner...than...;hardly...when...;scarcely...when...意思是 置于句首时,句型后面的从句不倒装,前面的主句采用部分倒装并且要用 。
(2)用于not until...句型中
Not until the teacher came did he finish his homework.
【归纳总结】
not until...置于句首时,句型中前面的 不倒装,后面的 用部分倒装。
(3)用于 so,nor/neither 开头的句子,表示重复的内容。
He has been to Beijing.So have I.
Jack cannot answer the question.Neither/Nor can I.
【归纳总结】
so+be动词/情态动词/助动词+主语意为
nor/neither+be 动词/情态动词/助动词+主语意为
此句谓语应与前句谓语的时态形式一致。
(4)在 "so...that" 和 "such...that"开头的句型中
So difficult a problem is it that I cant work it out.
Such a noble person is he that people all respect him.