全部倒装：
1. 表示方位或方式的副词或介词短语，如here, there, then, up, down, in, away, off, out, in the room, on the wall等置于句首，且主语是名词时。
e.g. (1) There is a beautiful house near the lake. There be 结构（be 可以用exist, seem, happen, appear, live, stand, vi.替换
(2) Here is a ticket for you. Now comes your turn.
Down went the plane. In came the teacher.
In she came.. Here you are. (主语为代词不倒装)
