Unit6 the environment-grammar 学案一
快捷识记不定式被动形式的用法 不定式的被动式为“to be+过去分词”
不定式也有时态,完成式的被动形式是 to have been done,进行时的被动式是:to be being done
不定式是动词组成的
不定式的动词究竟是用主动还是被动,关键要根据不定式动作与主语的意义来分析
如果两者的关系是主动的,不定式则用主动形式;如果两者的关系是被动的,不定式则用被动形式
例如:It was impossible for lost time to be made up
要弥补已失去的时光是不可能的
I hope to be invited to the party
我希望有人请我去参加晚会
Have you got ready for the meeting to be held
你为即将举行的会议准备好了吗
In order to be chosen, he sent each of them a present
为了被选中,他给他们每人都送了礼物
The problem seems to be solved soon
问题好像快要解决了
These sheets are to be washed
这些床单要洗一洗
The cleaning is to be finished by midday
要在中午前打扫完毕
我们在运用不定式的时候,确定主动还是被动,要注意下面几个问题: 1、通常情况下,不定式作定语时,用主动形式
例如: I have got a letter to write
我有封信要写
Give me a pen to write with
We'd better make out a plan to go on holiday