课件38张PPT。Unit 2 I'll help to clean up the city parks.
Section A
Grammar Focus4a-4c人教版新目标英语八年级下册 What do the lyrics（歌词）have in common? ______________________________________ to doLet’s Sing！Grammar: Infinitives
动词不定式
to do
动词不定式的基本形式: to + 动词原形 （即to do sth. ）Let’s learn!Group BGroup APKGroup CHe wants to put up a sign.want to do sth.I’d like to help homeless
people.would like to do sth. 动词不定式用法一： 作动词宾语（object）：V. to dodecidehopeagreeofferLet’s play a game.wantplanexpectlearntrywould like 快速说出V. to do.Pair work
China has great dreams. Do you have your dreams?
Let’s talk about our dreams in pairs. Ask and answer like this:
A: What do you want to be?
B: …
A: What do you plan/decide/hope/try to do to make your dream come true?
B:…
A:…
B:…Try to use want /decide /hope /plan/learn /expect /try /would like to do sth.Her mother asks her______________.
ask sb. to do sth.to play the pianoYao Ming volunteers to teach the students
_________________ . (打篮球)to play basketballteach sb. to do sth. 动词不定式
用法二： 作宾语补足语（object complement）：V.sb.to do sth.Can you think of other phrases?
ask sb. to do sth.teach sb. to do sth.tell sb. to do sth.allow sb. to do sth.expect sb. to do sth.advise sb. to do sth.want sb. to do sth.help sb. to do sth. I want _______________(put off)my plan, please_____________________.(帮我给他们打电话)
to put off help me (to) call them up help sb. do sth./help sb. to do sth. 1.My mother tells me__________________.
2.My mother tells me _________________.For girls:
1.Don’t stay out late.
2.Don’t go out alone.
Momalone adv. 独自，单独动词不定式的否定结构：not to donot to go out alonenot to stay out latetell sb. not to do sth.They plant trees__________________________.
(为了使我们的城市更美)to make our city more beautiful 动词不定式
用法三： 不定式作目的状语（adverbial):为了做某事The kids sold their paintings ______________
____________. (为贫穷的人募集钱) to raise money forpoor people raise money
募集钱= To raise money for poor people, the kids sold
their paintings.Li Yifeng knows how to play basketball. 动词不定式用法四：疑问词(what / how /when…) + to doJessie J. knows how to sing well.I don’t know _______________________.
(说什么来使他振奋起来)what to say to cheer him up动词不定式的特殊用法：作宾语补足语不带to 的情况：
常见动词有：
使役动词: let /make/ have sb. do sth.
感官动词: see /watch/ hear/ feel/ notice sb. do sth.
Let me ____(do) it.
I saw him_____(cross) the street just now.
docrossLet’s practice! My Plan for the Summer Holiday
I plan to do something meaningful during the Summer holiday. I want to join Wenfeng Volunteer Team in Yidu. I’d like to visit old people in Qingjiang Old People’s House, because they are lonely. I decide to help them to wash clothes. To make them happy, I will try to ask them not to worry about their health. In a word, I will offer to help more people, because I think it’s great to be a volunteer.Task 1 Read and find “v.to do”phrases in the passage.找出文中的动词不定式短语。It’s +adj.(for sb.) to do sth.___
We could tell him____________________.What could you tell him not to do?not to eat junk foodOne student acts, the rest guess, then ask and answer in pairs like this:A:What could you tell him/her not to do?
ask
advise
B:We/I could tell him/her not to ….
ask
adviseTask 2 Let’s act and guess.Choose one floating bottle, then finish the tasks according to the instructions.选择一个漂流瓶，并按要求完成任务。Task 3 Let’s pick up the floating bottles.1234Task 4 Group workYour plan should include（你的计划应该包括） :
What’s the name of your volunteer team?
2. Where do you plan to go? Why?
3. What do you decide to do to help others?
4. What do you think of doing volunteer work?
1.Discuss in groups of four , each group member tries to take notes.（四人一组讨论，每人都做笔记。）Do you want to be a volunteer to help others during this summer holiday? Now let’s make a plan to set up a volunteer team to help people in need. 2.Give a report in your group.（四人一起做一个汇报。）Show time Your plan should include:
What’s the name of your volunteer team?
2. Where do you plan to go? Why?
3. What do you decide to do to help others?
4. What do you think of doing volunteer work?
The name of our volunteer team is …
We plan to go to …, because…
We decide to …
We think doing volunteer work is….
What have you learned today?肯定:_______
否定:_______Summary:肯定:to do
否定:not to do It is better to give than to receive.
施比受更有福。 To help others is the source of happiness.
助人为乐是快乐的源泉。 Help people to start from the little things,
never fail to do anything good even if it’s small.助人要从日常小事做起，不因善小而不为。
Let’s join hands to help those in need.
让我们携手帮助那些需要帮助的人。Which group is the winner?Homework Write a passage about how to help others.
Thank you!
You could ask hospitals let you to visit the kids and cheer them up. toCorrect the mistakes改错. (2 points)
Ask one student in your group to answer.1.---You’d better advise him_____ anything out of the window while driving.
---I will. He has to know it’s dangerous.(2017宜昌)
not throwing B. not to throw
C. no throwing D. don’t throw
2.The football teams are working hard _____ in the 2018 World Cup.
A. to win B. win
C. winning D. wins
2.Choose the best answers.（2 points) Ask two students in your group to answer. (点组内两名同学回答，一人答一题。)
I don’t know what _____ (buy)for you.
3. Fill in the blank.填空 (1 point)
to buyAsk one student in your group to answer.4.Our class is trying ______________（想出）some ideas______________ （使她振奋起来）because her parents has gone to
Beijing ____________.（赚钱）to come up withto cheer her upto make money4.Complete the sentences.完成句子（3 points) Ask three students in your group to answer. 点组内三名同学回答。
