完全倒装就是直接将位于提前.常见的有三种：
1.副词如away/ out/ up/down 等位于句首时,且主语是名词时：
如：A bird flies away.(正常语序)
Away flies a bird
2.表示地点的介词短语,位于句首时,且主语是名词时：
如：
A village lies at the foot of the mountain.(正常)
At the foot of the mountain lies a village.
3.做表语的分词位于句首时
the days are gone.(正常)
Gone are the days.