资源简介

(共30张PPT)
汇报人: AManDa
Unit1 Time to Relax
Section A (4a-4c)
Learning Objectives
To identify the grammatical functions of the infinitives(动词不定式) as an adverb(状语) or an object complement(宾语补足语) and understand the usage rules of the original form , to do, not to do .
To use different forms of the infinitives to complete the dialogue and fill in the blanks in the text correctly .
To plan leisure activities according to students’ own situation and express their perceptions from leisure activities in English.
Watch and Read
Read and Think
“ I usually play the flue to relax.”
“ I went to the sports center to ice skate.”
“ I saw my mother paint. I decided to give it a go.”
“ Yes, but my instructor told me not to give up.”
What did they say？
动词不定式
The infinitives
What are the infinitives
Look and Learn
一、含义
1. 由“_____________”构成，是非谓语动词的一种。
2. 在句子中不能单独作谓语，也没有人称和数的变化，其否定结构是“_________________”
3. 在句子中可以作主语、宾语、目的状语、宾语补足语等。
动词不定式
to＋动词原形
not to＋动词原形
Look and Learn
Rule 1: 动词不定式作主语
1.动词不定式做主语一般放在句首。
eg: To finish our homework in 30 mintues is not easy.
2.It+be动词+adj+(for sb)+to do sth “对......来说, 做某事很......”
常用it做形式主语,将to do放在后面,避免句子“头重脚轻”。
eg: It is not easy (for us) to finish our homework in 30 mintues.
Look and Learn
2. It is + 名词 + to do sth “做某事是......”
eg: It’s our duty to clean the classroom.
3. It is + 形容词 + of sb. + to do sth. “某人做某事真是太…… 了”
eg: It is very kind of you to clean the classroom.
描述人的品质/性格
It作形式主语的其它常见句型：
1. It takes (sb) time/money to do sth “某人花......钱/时间做某事”
eg: It takes me half an hour to clean the classroom.
Look and Practice
完成下列句子。
1.对我们来说，学好英语很重要。
It is important ____ us__________________ .
2.他放弃考试，真是太傻了。
It is ______ of him to __________________.
3.每天读英语单词是个好主意。
It is __________ to __________________ every day.
4.他每天花两小时打篮球。
It ______ him two hours ________________ every day.
for
to learn English well
silly
give up the exam
a good idea
read English words
takes
to play basketball
Look and Learn
What do you plan to watch tonight
I want to watch cartoons.
Rule 2: 动词不定式作宾语
用于动词后面的不定式，充当宾语成分，称为：动词不定式作宾语
Look and Learn
常见的跟动词不定式做宾语的动词:
尝试 ______ 期望 ______ 希望 _______
计划 ______ 决定 ______ 开始 _______
开始 ______ 想要 ______________
学习 ______ 需要 ______ 要求 _____
try
expect
hope
plan
decide
begin
start
want/would like
learn
need
ask
Look and Practice
用括号内所给单词的适当形式填空。
1. Children's Day is coming. What would you like _______（buy) for your little brother
2. My sister is learning _________ (play) tennis.
3. Alice decide __________ (take) piano lessons .
4. She hopes ___________(visit) BeiJing this summer.
5. I expect you __________(come) here tomorrow on time.
to buy
to play
to take
to visit
to come
Look and Learn
动词不定式作真正的宾语
I find it difficult to learn English well.
你能找出真正的宾语吗？
形式宾语
真正宾语
常见结构：sb. + feel/find/make/think/believe + it + adj. + to do sth.
Eg:
1. She thinks ______ hard _____ ________ the question.
她觉得这个问题很难回答。
2. This will make ______ impossible for them ______
_______ the work today.
这将使得他们今天不可能完成这项工作。
it
it
to
to
answer
finish
Look and Learn
4a
Read the sentences. Decide if each infinitive in bold functions as an object complement or adverbial.
What do you do in your free time I play the flute to relax.
How did you spend your weekend I went to the sports centre to ice skate.
How did you get into painting I saw my mother paint. I decided to give it a go.
What did your instructor say She told me not to give up so easily.
不定式作目的状语
不定式作目的状语
不定式作宾语补足语
不定式作宾语补足语
Look and Learn
Rule 3: 动词不定式作宾补
I decided to give it a go.
She told me not to give up so easily.
...
不定式(to do) 用来补充说明宾语的动作、状态或身份，让句子的意思更完整,称为：动词不定式作宾语补足语
Look and Learn
动词不定式作宾语补足语，结构为：动词+ sb. + to do sth.
希望某人做某事
警告某人做某事
鼓励某人做某事
期待某人做某事
邀请某人做某事
命令某人做某事
告诉某人做某事
想要某人做某事
允许某人做某事
要求某人做某事
...
wish sb. to do sth.
warn sb. to do sth.
encourage sb. to do sth.
expect sb. to do sth.
invite sb. to do sth.
order sb. to do sth.
tell sb. to do sth.
want sb. to do sth.
allow sb. to do sth.
ask sb. to do sth.
...
Look and Practice
句型转换（将下列句子改为含不定式作宾补的结构）
1. Tina hopes that she can pass the driving test.
→ Tina hopes ______ ______ the driving test.
2. We believe that he is an honest man.
→ We believe him ______ ______ an honest man.
3. The headmaster ordered that all the students should hand in the
papers at once.
→ The headmaster ordered all the students ______ ______ ______
the papers at once.
to
pass
to
to
be
hand
in
Look and Learn
动词不定式to的省略
使役动词和感官动词后接不定式作宾补时，主动语态中省略to，被动语态中还原to：
使役动词：make, let, have
主动：The teacher made him stand outside. （省略 to）
被动：He was made to stand outside. （还原 to）
感官动词：see, watch, hear, notice, feel, observe
主动：I saw her cross the street. （省略 to）
被动：She was seen to cross the street. （还原 to）
Look and Learn
I play the flute to relax.
I went to the sports centre to ice skate.
...
Rule 4: 动词不定式作目的状语
动词不定式(to do) 用来表示主句动作的目的，意为“为了……”“以便……”，称为：动词不定式作目的状语。
Look and Practice
翻译句子。
1. Bob went to the library to borrow some books.
2. Mary的妈妈早起是为了赶上第一班公交车。
3. 为了提高英语水平，她每天读英文报纸。
鲍勃去图书馆是为了借一些书。
Mary’s mother gets up early to catch the first bus.
To improve her English, she reads English newspapers every day.
Look and Talk
The weekend is coming, I can’t wait to go hiking! What’s your plan for weekend activities Maybe my friends can give you some suggestions.
Look and Practice
4b
1. A: Thanks for your advice! It made me _______ (decide) to try skiing.
B: You're welcome. Try ________ (forget) your fears and have fun!
2. A: My cousin often asks me _______ (fly) kites with her when it’s windy.
B: That sounds fun! I'd love to watch you ____ (fly) kites sometime.
3. A: I love to watch kung fu movies _______ (relax).
B: Really When I want _________ (relax), I watch animal videos.
4. A: My parents told me ____________ (not push) myself too hard.
B: Yes, it's important ____________ (not forget) to relax once in a while.
Complete the conversations with the correct forms of the verbs in brackets.
decide
to forget
to fly
fly
to relax
to relax
not to push
not to forget
Look and Practice
Complete the passage with the infinitive forms of the verbs in the box. What do you usually do outdoors
4c
chat (not) come do listen play spend stay watch
My twin brother and I look alike, but we are so different. I love sport, and I often meet my friends _______ football and tennis. My brother joined us to play football once or twice, but he decided ____________ after that. He doesn’t like sport very much! Instead, he likes ______ at home and ___________ movies, _________ to music, and _________ with friends online. Our parents were worried about him staying home too much. They also wanted us _________ more time together as a family. So, now they let us ____ our favourite activities on Saturdays, but on Sundays, we go on a family outing together!
to play
not to come
to stay
(to) watch
(to) listen
(to) chat
to spend
do
What does the writer’s parents mean
Read and Think
What does the writer’s parents mean
They mean hobbies are as important as family. We need to balance our hobbies and family life.
Why do they think so
Because valuing family and cherishing family members are the essence of traditional Chinese culture.
因为重视家庭，珍爱家人是中国传统文化的精髓。
Think and Complete
1. ______ is not easy for a child to finish this work alone.
A. This B. That C. It D. One
2. They went to the hospital ______ their sick classmate.
A. visit B. visiting C. to visit D. visited
3. The teacher made him ______ the sentence again and again.
A. write B. to write C. writing D. wrote
4. It’s kind of you ______ me with my English.
A. help B. to help C. helping D. helped
5. The policeman told the children ______ on the street. It’s dangerous.
A. not play B. to not play C. not to play D. don’t play
单项选择。
Think and Complete
指出下列不定式在句中做什么成分。
1. It took me three hours to finish the task.
2. It is not easy for me to sing in front of my classmates.
3. My teacher always tells me not to play computer games
too long.
4.We are hungry. We want to eat some bread first.
5. She went to the supermarket to buy some fruits.
作主语
作主语
作宾补
作宾语
作目的状语
Think and Complete
1. 我发现要在二十分钟之内做完我的家庭作业很困难。
翻译句子。
I find it difficult to finish my homework in twenty mintues.
2. 为了赶上火车，我们坐出租车去了车站。
To catch the train, we went to the station by taxi.
3. 我看见一个小女孩正在教室哭。
I saw a little girl crying in the classroom.
Teacher’s Words
We need to balance our hobbies and family life and try to value our family and cherish our family members!
Summary
动词不定式作主语
动词不定式作宾语
动词不定式作宾补
动词不定式作目的状语
Homework
Basic(必做)
复习并掌握所学的动词不定式的用法并完成课后练习。
Improving(选做)
绘制一张关于动词不定式用法的思维导图。
Extend(选做)
查阅资料收集并归纳动词不定式的其它用法并与同学分享。
Thanks!

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