Unit 2 I’ll help to clean up the city parks. Section A Grammar Focus - 4c 课件（共25张ppt，无音频）

(共25张PPT)
(Grammar Focus --4c)
Revision
制定计划
帮助解决问题
照顾；非常喜欢
几个小时
兽医
一种强烈的满足感
在....岁时
参加选拔；试用
实现
同时
make a plan \ make plans
help out
care for
several hours
animal doctor
a strong feeling of satisfaction
at the age of
try out
come true
at the same time
Read the sentences and find out the infinitives and phrasal verbs.
Read and learn the expressions and patterns by heart.
不定式结构 短语动词
1. I’d like to (do)…
2. ask sb. to (do)…
3. let sb. do…
4. volunteer to do
5. help sb. (do)…
6. learn to do…
7. decide to do…
8. help sb. to do… 1. cheer…up
2. try out
3. put up
“to+动词原形”被称为动词不定式，常写作to do(有时to可以省略)，否定形式为not to do。
该形式又被称为动词的非谓语形式，在句中除了不能作谓语外，可作其他成分，没有人称和数的变化。
动词不定式
动词不定式的用法
不定式常出现在一些及物动词后，构成动词短语，如：want , plan , agree, learn, hope等
You must learn to look after yourself.
你必须学着照顾自己。
作宾语
V. + to do sth
动词不定式用来补充说明宾语的情况。
I tell him to arrive on Sunday.
我让他周日到达。
作宾语补足语
v.+sb+to do sth
ask, teach, tell, advise, invite,expect,wish等
2) 感官动词(hear, see, watch,notice等)和使役动 词(make, let等) 省略to

My parents sometimes make me do some housework.
我父母有时让我做些家务活。

3) help后面的动词不定式可加to，也可不加to。

Could you help me (to) clean the room?
你能帮我打扫房间吗？
v.+sb+ do sth
The girl could visit the sick kids in the hospital to cheer them up.
那个女孩可以到医院去哄生病的小孩子开心。

She still works there once a week to help kids learn to read.
她仍坚持一周一次去那里教孩子们读书。
动词不定式可表示某一动作或状态的目的，位于句首或句尾。
作目的状语
______________is not decided yet.
还没决定什么时候开始。
The problem is_______________ the party.
问题是去哪办聚会。
I don’t know_____________ .
我不知道去哪。
*与特殊疑问词连用：放在what, which, where, when, which, who, how等词之后，
When to start
where to have
where to go
4a
Fill in the blanks with the phrasal verbs in the box.
put up
hand out
call up
cheer up
come up with
give out
put off
I want to ______ my plan to work in an animal hospital until next summer. I’m too busy with my studies this year.
She hopes to ______ at least five primary schools to ask if they need volunteers for their after-school programs.
put off
call up
put up
hand out
call up
cheer up
come up with
give out
put off
3. Our class is trying to ______ ____ some ideas to ________ sick children because they are often sad.
4. We decided to ______signs around the school and _______ notices to tell students about the book sale. We will _______ the money from the sale to homeless people.
come up
with
cheer up
put up
hand out
give out
4b
Fill in the blanks with the correct forms of the verbs in the box.
help move do make visit spend
Most people today are only worried about getting good jobs ________ lots of money. In their free time, they think about what _______ for fun. However, few people think about what they can do ________ others. There are many people who are less lucky than us.
to make
to do
to help
表目的
表目的
help move do make visit spend
Volunteering our time to help these people is a good way ________ our free time. For example, we can make plans ______ sick children in the hospital or raise money for homeless people. Some people even stop doing their jobs for a few months to a year ________ to another place, like one of the countries in Africa, and help people there.
to spend
to visit
to move
表目的
表目的
定语
1. I want _________ (become) a policeman one day.
2. He wants the students _____ (eat) well.
3. The teacher made his students _____ 　 　　 (come) into the meeting room on time.
4. The boy was free _____ (go) where he liked.
5. Nobody tells him what _____ (do) next.
根据提示完成下列句子。
to become
to eat
come
to go
to do

My friend invited me _____the art club, and I accepted it with pleasure.
A. join
B. to join
C. joined
D. joining
解析：本题考查非谓语动词。invite sb. to do sth. 邀请某人做某事。故选B项。

2. —What are you going to do when you
grow up?
—A singer, but my parents wish me
_____a teacher.
A. am
B. to be
C. will be
D. be
解析：本题考查非谓语动词。wish sb. to do sth. 希望某人做某事，其中动词不定式作宾补，故选B项。

3.Father often tells me _______ too much time on computer games.
A. don't spend B. not spend
C. not to spend D. not spending
解析：本题考查不定式的用法。固定用法：tell sb. (not) to do sth.
tell后接动词不定式作宾语补足语。

4. That is the only way we can imagine ____the waste of water in students’ bathroom.
A. stop B. stopped
C. stopping D. to stop
解析：句意：那是我们可以设想的在学生浴室里唯一可以省水的办法了。the way to do sth. 做某事的办法，根据题意，选D项。
5. ____the customers , the restaurant owner offers a 10% discount for all the dishes.
A. Pleasing
B. To please
C. Please
D. Pleased
解析：本题考查非谓语动词。To please the customers 为动词不定式作目的状语。



根据汉语提示补全句子。
1. 你愿意帮忙打扫城市公园吗？
Would you like ______________ the city
parks?
2. 莉莉，你能帮我洗碗吗？
Could you please help me ________ the
dishes, Lily?
3. 简没有想出解决这道数学题的好方法。
Jane didn’t ____________ a good way
____________ this math problem.
to help clean up
(to) wash
come up with
to work out




I always tell my students __________ (play) on the road because it’s really dangerous.
2. –I will go to Harbin for my summer
vacation. What about you?
--I haven’t decided where _____ (go).
3. – I didn’t hear you come in just now.
-- That’s good. We tried ___________ (make) any noise, for you were sleeping.
4. Lucy is shy. She would not invite her classmates __________ (practice) dancing with her.
to go
not to play
to practice
not to make
根据句意及所给提示补全句子。
动词不定式的用法
练习册第3课时
练习卷一张