外研版英语八年级上册 Module 6 Animals in danger.Unit 3课件（11张PPT）

(共11张PPT)
Module 6
Unit 3 Language in use
It allows people to get closer to them.
We all need to help animals live in peace.
Let’s find out what else we can do to save as many animals as possible.
In order to protect pandas in the wild, the
government is setting up nature parks.
动词不定式的用法
主要行为动词后面的动词采用了“to+动词原形”的结构，我们把这种结构称为动词不定式（有时可以不带to）。动词不定式没有人称和数的变化，在句子中不能做谓语。
概 念
To make you understand him completely is impossible.
We decided to begin the experiment in the afternoon.
主语
宾语
不定式的
用法
1.不定式做宾语补足语：
动词不定式可以用来说明宾语的情况，做宾语补足语。
My mum asks me to play the piano two hours every day.
I know nothing about him and I beg you to tell me something.
She told me to buy a ticket for her.
拓展
1.常接不定式做宾补的动词有warn，tell，allow，ask，order，get，invite，wish，want，encourage等(+sb. to do sth.)。
The teacher told me to clean the blackboard.
He ordered the girl to wash the bike at once.
2.以上动词接不定式做宾语补足语时，若要表达否定的意思，要在to do前加not，构成not to do的形式。
Mr. Han told us not to make too much noise.
拓展
3.有些动词后接不定式做宾语补足语时，要接不带to的不定式(也就是说接动词原形)，常见的这类动词有make，let，have，hear，feel，see等。
The policeman saw the man open the window.
His words made everyone laugh.
4.动词help后面的动词不定式可以带to，也可以不带to。
She often helps me (to) do the housework.
We helped him (to) fix the bike when we had time.
1. Would you please tell him come to my home after school
2. As she has never been there before, I’ll have someone to show her the way.
改一改
to
不定式的用法
2.动词不定式做目的状语：如果表示“做某事是为了什么”，可以用动词不定式表示目的，做目的状语。
I had to work hard to earn money.
He stayed at home to finish his homework.
为了赚钱
为了完成作业
拓展
1.动词不定式做目的状语时，既可以放在句首，也可以放在句尾。
He trained hard to improve his basketball skills.
=To improve his basketball skills, he trained hard.
2.不定式做目的状语时，不定式的逻辑主语应与句子的主语保持一致。
I came to Beijing to see my grandpa.
In order to see better, we took front seats.
1. Our teacher asked us ________(be) careful when we crossed the road.
2. He sent an email _______(tell) people what was happening.
3. The zoo asks us ___________ (not feed) the animals.
4. In order _________ (save) pandas, people will grow more
bamboo in the mountains.
5. Mr. Zhang let him _________ (not copy) Ann’s homework.
完成下列句子
to be
to tell
not to feed
to save
not copy
为了……
课堂小结
动词不定式的用法
概念：主要行为动词后面的动词采用了“to+动词原形”的结构，我们把这种结构称为动词不定式（有时可以不带to）。动词不定式没有人称和数的变化，在句子中不能做谓语。
不定式的用法：1.不定式做宾语补足语：动词不定式可以用来说明宾语的情况，做宾语补足语。（注意：1. 常接不定式做宾补的动词有warn，tell，allow，ask，order，get，invite，wish，want，encourage等(+ sb. to do sth.)。2.以上动词接不定式做宾语补足语时，若要表达否定的意思，要在to do前加not，构成not to do的形式。3.有些动词后接不定式做宾语补足语时，要接不带to的不定式(也就是说接动词原形)，常见的这类动词有make，let，have，hear，feel，see等。4.动词help后面的动词不定式可以带to，也可以不带to。）
2.动词不定式做目的状语：如果表示“做某事是为了什么”，可以用动词不定式表示目的，做目的状语。（注意：1. 动词不定式做目的状语时，既可以放在句首，也可以放在句尾。2.不定式做目的状语时，不定式的逻辑主语应与句子的主语保持一致。）