文档介绍：动词不定式
结构: to do
(否定) not to do
二. 时态与语态
主动语态
被动语态
一般式
进行式
完成式
不定式
to do
to be done
to be doing
to have done
to have been
done
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三. 用法/ 功能
To see is to believe.
It’s important to learn .
(1). 主语
不定式作主语时,往往放在谓语之后,
用it作形式主语.
三. 用法/ 功能
My job to teach students.
Your task to clean the classroom.
is
is
(2). 表语
I want to go home.
I found it necessary to talk to him again.
(3) 宾语
think/ consider/ find it + adj.+ to do
常用动词不定式作宾语的动词有:
hope, refuse, learn, set out
choose, decide, agree, manage,
pretend, plan.
tear up
The teacher told me to clean the blackboard.
I expect you to give me some help.
(4). 宾补
warn, tell, allow, help, ask, force等
(4). 宾补
五看
watch
see
look at
observe
notice
三使
let
make
have
二听
listen to
hear
一感觉:
feel
注意:当不定式放在下列动词后面作宾语补语时,不定式不带to。
常用口诀如下:五看三室(使)两厅(听)一感觉
I made him do his work.
He was made to do his work (by me).