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 toC. mayD. cant ( ) 2 - Must I come at four oclock? - Oh, no, you _. A. dontB. mustnt C. dont have toD. 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 talkB. 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 forD. 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