初中英语牛津版 (深圳&广州)八年级下册Unit 1 Helping those in need精品课件ppt

这是一份初中英语牛津版 (深圳&广州)八年级下册Unit 1 Helping those in need精品课件ppt

牛津深圳版 八年级下册Unit1 Helping those in need Period 3 GrammarReviewLead-inRead and pay attention to the words in red parts:1.Three teenagers offered to do some voluntary work during the school holidays.2.Cindy wanted to paint a picture of the park near her home.Presentation一、不定式定义： 不定式（to do）是动词的一种非限定形式,即非谓语动词形式,在句子中不能作谓语，常常我们称句子中的第二个动词叫做不定式。。 I hope to see you again soon. We decided to buy that house. We often use to + infinitive after these verbs:Presentation: 1. He decided (buy) the camera.to buy 2. I want (listen ) to some music after class.to listen 3. I hope (travel) all over the world one day.to travel二、不定式用法 1-作宾语：1） 动词 + to doThings to rememberWe can use question words + to + infinitives after decide, know, learn and remember.Do you know how to help disabled children?Presentation作宾语：2） 动词+疑问词 + to do I don't know what to do . how to do it / that. (去哪里) (什么时候出发) (选择哪个)Where to goWhen to leaveWhich one to choose作宾语：2）动词+疑问词 + to doPresentation:Presentation: A Mark and his mother visited Vivien. Mark is telling his friends about the visit. Complete his words with the correct forms of the verbs in brackets. We (1) ________________(decide/ meet) Vivien today. We (2)_____________(want/help) her in some way. When we arrived, Vivien was very happy. She(3)_____________(begin/talk) to me about her school. She said, “I (4)__________(like/ go) to school, but I don't have any friends. I feel lonely.” Mum gave her some advice. Then Mum asked me to give Vivien her present, but I (5)_____________(forget/bring) it! Vivien said, “It's OK. I (6)___________ (hope/see) you again soon.”decided to meetwanted to helpbegan to talklike to goforgot to bringhope to seePresentation:二、不定式用法 2-作宾补：1） 动词 +宾语+ to do We can also use verbs + objects + to + infinitivesin sentences. ♥常用的动词有：ask, tell, order, teach, want, would like, wish, advise,allow等作宾补：1） 动词 +宾语+ to doPresentation:1）She asked me （help） her.2）The teacher told him （come） on time.3）Edison's mother taught him （read） and write. to helpto cometo read作宾补：2）动词 + 宾语 + do (不带 to 的不定式)Presentation:Things to rememberWe use infinitives without to after some verbs, such as let and make.Mum made me go to bed early.作宾补：2）动词 + 宾语 + do (不带 to 的不定式)Presentation: ♥这样的谓语动词有：have, let, make, hear, see. 其形式为： have/let /make sb do sth hear sb do sth see sb do sth 例：John's mother makes him play the piano every day. B Betty is visiting Cindy in the hospital. Complete their conversation with the correct forms of the verbs in brackets.Presentation:Betty: Morning, Cindy. We're organizing a painting competition for the children in hospital. We'll (1)________them ________(ask/paint) pictures. Would you like to take part in the competition?Cindy: Yes, I'd love to. I want to paint a picture of the park near my home, but the doctor won't (2)_________ me ___________(let/go) out. He (3)_________ me _________(want/stay) in hospital.askletgowantsto stayto paintBetty: Do you (4)_______ me ___________(want/take) some photos of that park for you?Cindy: Yes. That would be very kind of you.Betty: I'll go there this weekend. Then I'll bring the photos to you next week and (5)___________ you ___________(teach/paint).Cindy: Thanks for your help.Presentation:wantto taketeachto paintPresentation:二、不定式用法 3-作目的状语We can also use to + infinitives to express purpose. （表目的）“为了”Presentation: C Use the information in the reports on page 3 to answer these questions. Use the correct infinitives in your answers.Why did the three teenagers offer to do some voluntary work during the school holidays? They offered to do some voluntary work ______ children in need.Why did Betty go to the children's hospital? She went to the hospital ________ a painting competition for the children there.to helpto organizeWhy did Betty go to the park near Cindy's home? She went there ______________ some photos.4 Why did Mark and his mother teach Vivien to tell stories? They taught Vivien to tell stories ___________ her express her feelings. Why did Annie teach disabled children to sing? She taught them to sing ___________ them joy and peace.to taketo helpto bringPresentation:let's do1. Tell him ___ the window. to close not B. not to close C. to not close D. not close2. I want _____ a teacher when I grow up. to be B. to C. be D. being 3. Tom goes to the English corner every day his English. A.improve B. improved C. to improve D. improvingBAC Multiple choiceSummary不定式（Infinitives）的用法1.作宾语（1）动词 + to do（2）动词+疑问词 + to do 2.作宾补（1） 动词 +宾语+ to do（2）动词 + 宾语 + do (不带 to 的不定式)3.作目的状语 翻译为“为了”。Exercise1. The workers want us ______ together with them.  A. work B. working C. to work D. worked 2. There isn't any difference between the two.I really don't know _________.  A. where to choose B. which to choose  C. to choose what D. to choose which Multiple choice3. The teacher told them ____make so much noise.  A. don't B. not C. will not D. not to 4.He gave us some advice on how____ English. A. learning B . learned C. to learn D . learn5. The boy wanted to ride his bicycle in the street, but his mother told him ______.  A. not to B. not to do it C. not do it D. do not to 6. I saw him _______ out of the room.  A. go B. had gone C. has gone D. goes Exercise7.---__ more about tomorrow's weather, call 121. ---OK, I will. Thank you. A. Know B. Knowing C. To know D. Known8.We must do everything we can ____ waste water from running into rivers. A. keep B. kept C. to keep D. keeping9.Let's ____ play in the street. Father tells me __ do so. A. not to；not to B. not；not to C. don't；to not D. not to；don't ExerciseHomework1. Understand the grammar.2. Finish the exercises.