外研版八年级英语上册 课件.ppt

1.We should always speak English in class. should ﹢动词原型 “ 应该做某事” He should come here early. shouldn’t= should not We shouldn’t watch TV a lot. Language points ﹢动词原型 “不应该做某事” Mr Li drives too fast. He _________ _______ too fast. shouldn’t He ________ _______ slowly. should drive drive 用should填空 B should / speak English You ______________________ in class. should speak English 2.Let’s try to speak English in class. try to ﹢动词原型 -- “ 试图去做某事” He should come here early. try to = try not to We shouldn’t watch TV a lot. Language points He try to come here early. We try not to watch TV a lot. ﹢动词原型 “试图不做某事” B 用try to…填空 1. We ______ speak English in class. 2.We __________speak Chinese in class. try not to English class try to 3. And don’t forget to write down the correct answers next to the mistakes. What else? 而且不要忘记把正确答案写在所犯错误旁边，还有吗？ forget to do sth. 忘记去做某事（某事还没发生） forget doing sth. 忘记做过某事（某事已经发生） Don‘t forget to post a letter for me . 别忘了帮我邮信。 I forget seeing you somewhere. 我忘记了在什么地方见过你。 4.Why not write down our mistakes in our notebooks? 为什么不把错误记在我们的笔记本上呢？ why not …? 用来表示提出建议， （为什么不……？） == why don’t you/we …? 如： Why not take a walk after supper? = Why don’t you take a walk after supper? Language points 表示提建议的句型有： How / What about …？ Would you like to … ? Let’s … Why don’t you…? Why not…? You should / shouldnt … Its a good idea to ..... + Ving. +V动词原形 常用的回答是： That’s a good/great idea. OK./ All right. Now let’s do some exercise. Do some exercises: (1) She should (go) to school early. go (2) Why don’t you (play) basketball? play (3) How about (eat) noodles? eating (4) There are five (mistake) in your homework. (5) She is going to (help) his father. (6) It’s a good idea to (get) up early. (7) He