精选优质文档-倾情为你奉上被动语态的几种特殊用法一、短语动词（“动词介词 / 副词”、“动词副词介词”），如： look after, laugh at, operate on, bring out, give up, put off, do away with, make up for, look down upon 等作谓语，变被动语态时，要把它们看作一个整体，其中的介词或副词不能漏掉。例如：1. We look after the baby carefully. 我们小心地照看着婴儿。The baby is looked after carefully.二、感官动词（ see, watch, notice, hear, feel 等）和使役动词（ let, make, have 等）用在主动句中，要求后面接不带 to 的不定式作宾语补足语，但变被动语态时，要加上 to 。因为此时原宾语补足语就变成主语补足语了。例如：3.I saw the boy play in the street. 我看见男孩在街上玩。 The boy was seen
