Unit 3 Grammar Focus-3c课件 2022-2023学年人教版八年级英语下册

人教版英语 Unit 3 Section A Grammar Focus - 3c 人教版英语 Finish the preclass test and find your problems. Pre-class Test 1. sweep—swept (过去式) 2. take out the rubbish 倒垃圾 3. do/wash the dishes 洗餐具 4. fold one's clothes 叠衣服 5. make the bed 铺床 6. give sb. a ride 让某人搭车 7. stay out late 待在外面很晚 8. get a ride 搭便车 9. want sb. to do sth. 想让某人做某事 10. help out with sth. 帮忙做某事 11. finish doing sth. 做完某事 12. go out for dinner 出去吃晚饭 13. sweep the floor 扫地 14. be back from doing sth. 做完某事回来 15. come over 过来,来访 16. throw down 扔下-threw(过去式) 17. in surprise 吃惊地 18. to one's surprise 令某人惊讶的是 19. take sb. for a walk 带某人散步 20. all the time 频繁;反复 21. as soon as/the minute/the moment一…就… 22. walk away 走开 23. shout back 顶嘴 Learning goals 1. To learn some new words and phrases. pass, borrow, lend, finger, hate, chore, while, go out for dinner, get something to drink, take the dog for a walk, take out the rubbish, hang out, do the dishes, finish doing sth., come back, go to the movies 学习新单词和短语【重点】 2. To learn to use could. 学习使用could【重点,难点】 Could I go out for dinner with my friends? Sure, that should be OK. Could we get something to drink after the movie? No, you can't. You have a basketball game tomorrow. Could you please take the dog for a walk? OK, but I want to watch one show first. Could you please take out the rubbish? Yes, sure. 找出句子的相同点。 出去吃晚饭 喝点东西 遛狗 倒垃圾 Grammar Focus Grammar Focus 情态动词could 1. 含义:“能够, 可能” 2. 是can的过去式,比can更委婉 3. 不能作谓语, 没有人称和数的变化,后加动词原形 Grammar Focus 情态动词could的功能 1. 委婉地提出要求 委婉提问: Could you please (not) + 动词原形...? “能请你(不)……吗?” 肯定回答: Sure/Certainly/Of course/No problem/With pleasure. 乐意帮忙。 否定回答: Sorry, I can’t./I‘m afraid I can’t./I'm afraid not. 我恐怕不行 2. 委婉地请求许可 委婉提问: Could I + 动词原形 ...? “我能……吗?” 肯定回答: Yes, you can. / Of course you can. /Yes, please. 否定回答: Sorry, you can't. /I'm afraid you can't. /No, you mustn’t. 【注意】回答只用can/can't,不用could/couldn't. Grammar Focus 情态动词could的功能 3. 表示过去的能力,作can的过去式 I could speak English at the age of three. 在我三岁时我能说英语。 4. 表示推测,“可能” You could be r