I XXX do it myself.
The man introduced himself as Mr. Wang. 9. 谓语动词是以下时,无被动。 happen, belong to, suit, fit (合适), have, let, join, fall, last (延长), cost (花费) break out (爆发) appear, burst out (迸发),hold (容 纳),lack (缺乏),agree with (同意).
3. 为了使语气婉转,避免提及自己或对方 而使用被动语态,或由于修饰的需要,使 用被动语态,使句子得以更好的安排。 The construction of the new lab must be completed by the end of next month. Electricity is used to run machines.
5. 有些动词用主动情势表被动含义。
The goods sells well.
The door can’t open. 6. 有些词如want, need, require 和 be worth后 面v-ing情势为主动,意义为被动。
The room needs/wants/requires cleaning.
被动语态
一、何时使用被动语态 1. 不知道谁是动作的执行者或没有必要。 Paper is made from wood. He was wounded in the fight. 2. 需要强调动作的承受者时。 Books and newspapers in the reading room mustn’t be taken away. He was awarded first prize in that contest.