将谓语的一部分(即情态动词、系动词或助动词)提到主语前的称为部分倒装。如句中没有情态动词、助动词或系动词，谓语只是一个实义动词，要在主语前加助动词do，does或did，主语后的实义动词用原形。常见的有：
Never have I seen such a man.我从来没有见过这样的人。
Not until yesterday did we know that he had died of cancer.
直到昨天我们才知道他死于癌症。
Only then did I realize that I was wrong.只是到那时我才意识到我错了。
Only in this way can you improve your English. 只有这样你才能提高英语水平。
Only when he is free does he come to see me. 只有当他空闲时才来看我。
注意：only 修饰状语从句放在句首时，只能倒装主句部分。
They all finished the work.So did I.他们都完成了工作，我也完成了。
We have never been abroad，neither has she.我们从来未去过国外，她也没去过。
当so表示对前句内容的肯定和附和，译作“确实，正是”时，用自然语序。
一The students work very hard.学生们学习努力。
一So they do.他们确实是这样。
Not only did we lose all our money，but also we came close to losing our lives.
我们不但把钱全丢了，还几乎丢了命。
So hard does he study that he often forgets food and sleep.
他学习如此努力，常常是废寝忘食。
No sooner had I gone out than a friend of mine came to see me.
我刚出去，就有一位朋友来看我；
(5)在as引导的让步状语从句中(名词／形容词/副词／动词+as+主谓结构)。
Child as he is，he knows more than you.虽然他是孩子，但他懂的比你多。
Tired as he was，he continued the work.虽然他累了，但他继续工作。
Much as I like it, I will not buy it. 虽然我很喜欢这东西，但我不想买它。
Try as they may,they will not succeed. 尽管他们很努力，但不会成功。
Were I in school again, I would work harder. 如果我重新回到学校，我会加倍努力学习。
Had you not helped me, I wouldn’t have succeeded. 若不是你帮我，我不会成功。
Should it rain tomorrow, the crops would be saved. 如果明天下雨，庄稼会得救的。 .
Often did we go for walks together after supper at that time.
那时，我们晚饭后常一块儿散步。
Every other day did he go to the hospital to see his father.
每隔一天他就去医院看望他父亲。
Gone forever are the days when the Chinese people were looked down upon.
中国人被瞧不起的日子一去不复返了。
Also present will be a person who thinks up an idea for an advertisement.
出席会议的还有广告的策划者。