文档介绍：不定式公开课金典实用
本节课重点提要
1. 不定式的根本形式和否认形式
2. 不定式的时态和语态
3. 不定式的复合构造
4. 不定式的根本用法
5. 不定式中常见的主动表被动
6 不定式的省略，保存符号to
7. 不带to的不定式
They advised me to give up smoking.
They advised me ____ ___ ___ _____ smoking.
He promised to take care of the poor
He promised ___ __ ____ ___ ___ the poor
Step 1
根本形式和否认形式
肯定式: to do 否认式: not to do
not to give up
not to take care of
动词不定式的时态和语态
I opened the door to enter the room.
㈠. 一般式( to do /to be done).
不定式的一般式所表示的动作〔状态〕同时〔或几乎同时〕发生，或之后发生。
Step 2
㈡.进展式( to be doing)
They seemed to be talking about something secret when I came in.
如果谓语表示的动作〔情况〕发生时，不定式所表示的动作正在进展。
㈢. 完成式〔to have done/to have been done)
2. I’m pleased to have been given this chance.
1. You seemed to have read the novel written by Mr. Smith.
如果不定式的动作发生在谓语之前。
如果不定式的逻辑主语是不定式所表示的动作的承受者，不定式要用被动形式.
语态
时态
主动语态
被动语态
一般时
进行时
完成时
小 结
to do
to be done
to be doing
/
to have done
to have been done
练****br/>Hello! It’s good __________ (see) you again.
Bye-bye, I’m glad _______________ (see) you.
They pretend _____________(work) hard when the teacher came in.
The girl students is said _____________ (send) abroad last week.
All the students in our class have entered for the sports-meeting __________ (hold) next week.
Step 3 不定式的复合构造
It’s important for us to learn English well.
It’s wise/kind of him to help the poor.
To do like that is foolish.
I want to see you this evening.
All you have to do is to finish it quickly.
We found a house to live in.
She came here to study English.
I warned the patient not to eat cold water after the operation.
主语
宾语
表语
定语
状语
宾补
Step 4 不定式的用法