(共21张PPT)
Unit2 I'll help to clean up the city parks. Section A grammar 4a-4c
Revision
Mario and Mary ____ ___ several hours each week
__ ____ others. Mario wants __ ___ an animal doctor. He _________ at an animal hospital. He wants __ _____ more about ____ __ care for animals.
Can you tell something about Mario to us
how to
to help
give up
to be
to learn
volunteers
Mary is a book lover. She could read by herself
__ ___ ____ of four. Last year, she decided __ ___ ___ for a volunteer after-school _______ program. Mary still works there once a week __ ____ kids _____ __ read. Volunteering here is a dream come true for her. She can what she _____ ___ ___and helps others at the same time.
Can you tell something about Mary to us
to try out
at the age
loves to do
reading
learn to
to help
1. 我想去帮助无家可归的人。
I’d ____ __ ____ homeless people.
2. 你可以请求医院允许你探访儿童并让他们变得更高兴。
You could ___ hospitals ___ ___ you visit the kids and
cheer them up.
3. 她自愿一周去那里一次帮助孩子们学习读书。
She ________ there once a week __ ___ kids learn to read.
ask to let
like to help
volunteers to help
Fill in the blanks according to the text.
4. 她决定参加一个志愿者课后阅读节目的选拔。
She _______ ___ try out for a volunteer after-school reading program.
5. 马里奥相信这会帮助他获得他的梦想工作。
Mario believes it can help him ___ ___ his future dream job.
6. 我正在制作一些告示,并将它们张贴于学校里。
I’m making some signs __ ___ __ around the school.
decided to
to get
to put up
What do these infinitives play in a sentence
常见形式:一般位于句首,谓语动词用单数。
为了避免句子“头重脚轻”,往往用it 代替不定式作形式主语,而将不定式放在后面作真正的主语。
To learn English well is very important.
=It is very important to learn English well.
学好英语很重要。
[探究1 动词不定式做主语]
常见形式:My job/dream/goal/aim is…
My job is to look after patients.
我的工作就是照顾病人。
His aim is to study abroad in the near future.
他的梦想是在不久的将来出国学习。
[探究2 动词不定式做表语]
常见形式:主语+谓语 + to do
不定式常出现在一些及物动词后,构成动词短语。
如:want to do, plan to do, agree to do, learn to do等
We want to go swimming. 我们想去游泳。
[探究3 动词不定式做宾语]
常见形式:主语+谓语动词 + sb.+ to do
常接不定式作宾语补足语的词有tell, ask, want, teach, allow, promise, order, advise, expect, wish, invite, encourage 等。
She invited me to go to the concert.
她邀请我去听演唱会。
[探究4 动词不定式做宾语补足语]
常见形式:不定式作定语应放于被修饰词之后。
Do you have anything to do tonight
你今晚有什么事要做吗?
I want to have something to eat.
我想吃点东西。
[探究5 动词不定式做定语]
常见形式:主语+谓语 + (宾语)+(状语)+ to do
动词不定式可表示某一动作或状态的目的。
He will go to the station to meet his friends.
他将去车站见他的朋友。
She got up very early to catch the early bus.
她起得很早,为的是赶上早班车。
[探究6 动词不定式做状语]
[拓展1] “特殊疑问词+动词不定式”的复合结构
动词不定式可以用在疑问词what, how, when, where, which等之后,作主语、宾语、宾语补足语等。
How to get there is a problem.
怎样到达那里是一个问题。(作主语)
I don't know what to say. 我不知道说什么。(作宾语)
He taught me how to use the computer.
他教我怎样用电脑。(作宾语补足语)
[拓展2] 含动词不定式的常用搭配
(1)有些动词后只能跟动词不定式作宾语。如decide, plan, promise, refuse, agree等。
(2)有些动词后可以跟动词不定式作宾语,也可以跟动名词作宾语,但表示的意义不同。如:forget to do sth. 表示“__________”;forget ______ sth. 表示“忘记曾经做过某事”。
(3)有些动词后要跟动词不定式作宾语补足语。此类搭配有tell sb. to do sth.(告诉某人做某事),______ sb. to do sth. (建议某人做某事),________ sb. to do sth. (鼓励某人做某事)等。
忘记做某事
doing
advise
encourage
Fill in the blanks with the phrasal verbs in the box.
4a
1. I want to ______ my plan to work in an animal hospital until next summer. I’m too busy with my studies this year.
2. She hopes to ______ at least five primary schools to ask if they need volunteers for their after-school programs.
put up
hand out
call up
cheer up
come up with give out
put off
put off
call up
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.
put up
hand out
call up
cheer up
come up with give out
put off
come up with
cheer up
put up
hand out
give out
Fill in the blanks with the correct forms of the verbs in the box.
4b
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. Volunteering our time
help move do make visit spend
to make
to do
to help
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.
help move do make visit spend
to spend
to visit
to move
Complete the sentences with your own ideas. Use infinitives.
4c
1. I’d like to volunteer ____________________
______________________________________
2. At 12: 00 midnight, I called my friend
_____________________________________
to help kids with their
homework.
to play soccer together in the afternoon.
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) take the
trash out after dinner.
to go camping with my friends.
to do that.
Exercise
根据提示完成下列句子。
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.
to become
to learn
to use
to take
to catch
GOOD JOB