Unit 2 I'll help to clean up the city parks.Section A 4a-4c 课件(共24张PPT)

(共24张PPT)
Unit 2
I’ll help to clean up the city parks.
R·八年级下册
Section A 4a-4c
Let's compare!
Which one is the most polite（礼貌）
1. Clean the classroom!
2. Can you clean the classroom
3. Could you please clean the classroom
1.When we need to ask others for help, we should say __________________, because it sounds more polite.
2.When we can help others, we should say __________________________.
3.When we can't help others, we should say ___________.
Could you please ...
Sure / Of course / All right
用could 提问，必须用can回答！
Sorry, I can't
There is a very busy mom! She needs some help. So she asks her friends for help!
Could you please sweep the floor
Yes, sure. / Of course. / All right. /OK.
Sorry, I can't. I'm busy now.
Ask and answer
打扫地板
Could you please clean the living room
Yes, sure. / Of course. / All right. /OK.
Sorry, I can't. I'm busy now.
Ask and answer
打扫客厅
Ask and answer
带走垃圾
Could you please take out the rubbish
Yes, sure. / Of course. / All right. /OK.
Sorry, I can't. I'm busy now.
Ask and answer
洗碗
Could you please do the dishes
Yes, sure. / Of course. / All right. /OK.
Sorry, I can't. I'm busy now.
Ask and answer
Could you please make the bed
Yes, sure. / Of course. / All right. /OK.
Sorry, I can't. I'm busy now.
铺床
Ask and answer
洗衣服
Could you please wash the clothes
Yes, sure. / Of course. / All right. /OK.
Sorry, I can't. I'm busy now.
Pair Work
Ask your partner for help！
A: Could you please ...
B: Sure. / Of course. / All right. / No problem.
/ Sorry, I can't. I have to ... . / I'm ... now.
Please underline the infinitive structures.
I’d like to help homeless people. She decided to try out for a volunteer after-school reading program.
You could ask hospitals to let you visit the kids and cheer them up. Mario believes it can help him to get his future dream job.
She volunteers there once a week to help kids learn to read. I’m making some signs to put up around the school.
would like to do
ask sb. to do
volunteer…to do
learn to do
decide to do
help sb. to do
make…to do
动词不定式
1. 动词不定式的形式
动词不定式的基本形式是“to+动词原形”，写作to do(有时to可省略)，否定形式为not to do 。
二、动词不定式的用法
想要 拒绝 忘记
(want, refuse, forget)
需要 努力 学习
(need, try, learn）
选择 同意 帮助
(choose, agree, help）
希望 决定 开始
(hope/wish/expect, decide, begin/start）
动词+to do
想要 告诉 允许
(want, tell, allow)
需要 帮助 邀请
(need, help, invite）
希望 教授 要求
(wish, teach, ask）
动词+sb+to do
二、动词不定式的用法
三、to do 句型
（1）It is +名词 + to do sth.
It’s our duty to take good care of the old.
（2）It takes sb. +some time + to do sth.
It takes us two hours to finish the work.
（3）It is+形容词(easy, important, difficult, foolish, right,
wrong...) (+for/of sb.)+ to do sth.
It is easy to learn English.
1. I want _________ (become) a teacher one day.
2. It’s very useful _______ (learn) foreign language.
3. He showed me how ______ (use) a computer.
4. She got a job ______ (take) care of an old man.
5. You should run quickly _______ (catch) the bus.
根据提示完成下列句子。
to become
to learn
to use
to take
to catch




































































































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
1. I want to ______ my plan to work
in an animal hospital until next
summer. I’m too busy with my
studies this year.
put off
2. She hopes to ______ at least five
primary schools to ask if they need
volunteers for their after-school
programs.
call up
4a
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
put up
hand out
call up
cheer up
come up with give out put off




































































































Fill in the blanks with the correct forms of the verbs in the box.
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.
to make
to do
to help
4b
help move do make visit spend
There are many people who are less lucky than us. 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
help move do make visit spend




































































































Complete the sentences with your own ideas. Use infinitives.
1. I’d like to volunteer ____________________
______________________________________
2. At 12: 00 midnight, I called my friend
_____________________________________
to help kids with their
homework.
to ask him an important question.
4c
3. I’m very busy but I could help ____________
_______________________________________
4. Summer vacation is coming, and I
want __________________________________
5. I want to travel alone. My parents told me (not)
_______________________________________
_______________________________________
(to) feed the
dog.
to visit my grandparents in Hubei.
to do that because I am too young and it is
not safe.