倒裝分兩種：配合語法條例的倒裝，叫“grammatical inversion”；配合強調語勢的叫“emphatic inversion”。
語法上的倒裝句是強制性的，包括下列 7 種：
Can you do it?
How old are you?
When did you know him?
Why did you elect him as captain?
Which of these apples do you prefer?
Who is your English teacher?
What happened last night?
May God bless you.
Long live the king!
There are many cars on the road.
There stand some big trees near the river.
There is a security guard outside the bank.
How beautiful the flower is!
What a smart boy you are!
5、有連接詞“so, neither, nor”的句子，如：
Tom can ride a bicycle; so can I.
She can't sing; neither can he.
John has never been late; nor have I.
Were I you, I would not do such a thing.
Should the machine break down again, send it back to us.
Had you worked harder, you would have passed.
Small as the pen is, it is a powerful weapon.
However busy you are, you should spend some time reading Zaobao weekly.
Never have I seen such a wicked man.
On no account must this employee be removed.
Not until he told me had I heard anything of it.
No sooner had I left than the rain came.
Up jumped the puppy.
In came John.
Down fell the rotten branches from the tree.
Out came a woman and her maid.