More for reference

英语的基本语序是"主语+谓语"。如果将谓语的全部或一部分放在主语之前，这种语序称为"倒装"。倒装可以加强语气，使句子更加流畅，更加生动。

情 况 例 句 含有否定意义的副词或连词hardly, never , not , seldom, little , scarcely, not only, not until 等，放在句首时 Never before have we seen such a sight.

Little did I think that he could be back alive.

Not a single mistake did he make.

Seldom does he go to see his parents.

Not until New Year's Day shall I give you a gift.

Not until we know more will we be able to improve the situation.

Not only is he a scientist but also a musician.

Not only does the earth move around the sun but also it is moving itself.

Not only was everything that he had taken away from him, but also his German citizenship.

Hardly had I got on the bus when the bus started. only修饰副词、介词短语或状语从句放在句首时 Only then did he realize his mistakes.

Only in this way can you learn math well.

Only when you have finished your homework can you go home. Now lets' do some exercises to check your understanding about inversion.

1. She has never sung so beautifully. ____________________________________.

2. I shall never forget that day I saw the famous scientist.

　　_________________________________________________________.

3. I hardly thought it possible. ___________________________________.

4. I did not hear that he was going abroad until then.

　　_____________________________________________________.

5. He didn't go home until he finished his homework.