壹． 全倒裝
1． here,there,up,down,in ,out,away,off,now,then等表方向，時間的副詞位於句首是，句子常用全倒裝。這些句子的謂語動詞常是come,go ,lie,live,stand,sit ,seem,remain 等不及物動詞。這個結構不用進行時。There stand a tower by the lake.
Now comes your turn.
In he came and the lesson began.
2.當表示方位的介詞短語放句首時，句子需全倒裝。Under the table lies a wounded young man .
3.表語提到句首需用全倒裝，這樣往往是因為主語有較長修飾語。
Gone are the days when we used oil lamps.
Such was Albert Einstein, a simple man of great achievements.
4．直接引語位於句首時，句子需用全倒裝 ，結構如：asked Mary,answered John,said the old lady等。但當主語是人稱代詞，需用正常語序。”What do you mean?”he asked.
二． 半倒裝：
1． 否定意義副詞nor,neither ,rarely,never,scarcely,little,hardly,seldom,at no time,by no means,in no way,on no accoune,nowhere,not until,no sooner …thanhardly…when,not only…but also,neither…nor及表示頻度的副詞：often ,once,many a time,now and then 放句首時，用半倒裝。
Seldom does he go to the cinema.
Hardly had he finished his work when he went ot watch the match.
2.only+狀語放句首時，句子需半倒裝。
Only in this way can you improve your English.
Only because there was some leftover bread did he get some food in the end.
3.so/as 表示“也“時，或so/such…that…的句子中，so 修飾形容詞、副詞或such修飾名詞放句首時，句子需半倒裝。
I enjoy swimming ,and so does my brother.
So fast did they run that I couldn’t catch up with them.
4.用於省略了if的非真實條件句。這類句子中有were,had,should等詞時，把were,had ,should置於句首 。如：Were I you ,I would refuse to do it.
5.特殊形式的倒裝。在as引導的讓步狀語從句中，要用倒裝：
Child as she is ,she knows a lot.(Child 前無冠詞a)
Cold as it was,we still went out.