2017_2018学年八年级英语下册Unit4Agoodread第4课时课件牛津版.pptx

Unit 4 A good read,(Grammar1),Leaning aims:.,1. To know how to use wh-infinitives. 2. To understand the difference between “must” and “have to”,Guide One (8),To review Reading,translate the following exercise: 1.决定怎样处理这些书 2.不得不做某事 3.穿什么 4.哪儿能找到答案 5.提高我对过去的认识 6.一位法国作家 7.如何做 8.决定邀请谁 9.对感兴趣 10.在空闲时间 Have a match! Who can do it best?,点拨：,疑问词+动词不定式做动词的宾语。疑问词包括疑问代词what, which, who和疑问副词how, when, where。常和此结构连用的动词及动词短语有：know, learn, see, hear, ask, tell, decide, explain, find out, forget, remember, understand 等。 e.g. I dont know what to say next. 我不知道接下来该说什么。 I cant decide which to take. must 表主观的义务和必要，主要用于肯定句和疑问句，“必须，得，要”。 e.g. You must finish your homework 5. have to 表一种客观的需要，“不得不”。have to 有人称和数的变化。 e.g. It is getting dark. He has to go home now.,Check:,( )1. -I like the party so much, but go home. Its too late. -What a pity! A. mustnt B. have to C. may D. cant ( ) 2 - Must I come at four oclock? - Oh, no, you _. A. dont B. mustnt C. dont have to D. cant ( )3-_ I wash the clothes now? -No, you _. You _ clean the room first. A. Must, neednt, may B. Must, mustnt, can C. Need, mustnt, can D. Shall, may, may ( ) 4.- Excuse me. Could you tell me_get to the nearest bank? - Sorry, I am new here. A. how can I B. how I could C. how to D. what I can ( ) 5 Linda doesnt know _about her problems. A.who to talk B. where to talk to C. who to talk to D. how to talk to,Class Exercise(-),( ) 1. I advised _ the library at once. A. him to leaving for B. him to leave for C. to leaving for D. to leave for ( )2. Mr Wu often tells us _ in the river. Its dangerous. A.dont swim B. not to swim C. not swim D. not swimming ( )3. Remember _off the lights when you leave the room. A. to turning B. turn C. turning D. to turn ( )4. I havent decided when _ a holiday yet. A.took B.taking C. to take D. take ( )5. Students in our school _ know shouting is not allowed in the reading room. A.can B. must C. may D. need 后进生板演。后教阶段，后进生-中等生-优生更正，讲解。学生不会的老师讲。,Class Exercise(二),1. Both of them are _ (German). 2. My brother has a good _(know) of English. 3. The children decided _ (clean) their school yard this Friday afternoon. 4. I dont know what _(do) next. Co