外研版 (2019)必修 第二册Unit 2 Let's celebrate!评优课课件ppt

这是一份外研版 (2019)必修 第二册Unit 2 Let's celebrate!评优课课件ppt，共15页。PPT课件主要包含了Lead-in，情态动词表推测，certain，uncertain，真题链接，课堂小练，maymight，must，could等内容，欢迎下载使用。

Review the mdal verbs frm unit1T learn hw t use mdal verbs
回归第1单元学习的情态动词
Grammar 1 may/might的用法
1. 表示请求或允许，译为“可以”。might语气较委婉 (但并非表示过去)。 I wnder if I might ask yu a favr? Yu may tell him this. 2. 表示推测, 译为“可能”。might比may所表示的可能性更小。 That may/might nt be true.3. may/might well (很可能); may/might as well (不妨，还是...为好); Yu may well be right. 你很可能是对的。 It’s freezing cld utside. We may as well stay at hme. 4. may放在句首，表示祝愿。 May Gd bless yu!
Grammar 2 shall, shuld和ught t的用法
Shall1. shall用于第一人称时，可表示征求对方意见，译为“要不要...”(通常为疑问句)；或者表示将要发生的事，译为“将要...”(通常为肯定句)。 Shall we begin ur class? (表示征求意见) I shall be in Shanghai this time next week. (表示将来动作)2. shall用于第二、三人称时, 表示命令规定(通常为肯定句)。译为“应该”。 Yu shall g t schl n time.
Shuld/Ought t1. 表示义务或责任, 译为为“应该”。 We shuld/ught t learn frm each ther.2. 表示建议或劝告，译为为“可以，应该”。 Yu shuld/ught t try yur best t better yur perfrmance.3. 表示推断, 译为”应该”, “可能”, “按道理会”。 They shuld/ught t be there by nw.4. shuld表示意外或惊讶，译为“竟然”。 It's strange that he shuld cme s late.
Grammar 3 情态动词+have dne的用法
must have dne表示对已发生情况的推测，通常用于肯定句。 She must have gne hme. 她肯定已经回家了。can have dne表示对已发生情况的推测,主要用于否定句或疑问句。 Yu can't have frgtten her. 你不可能已经忘记她了。 Where can she have put it? 她到底把它放在哪儿了呢?
culd have dne表示对过去情况的推测，多用于否定句或疑问句。 He culd nt have been mre than 16 at that time. 他当时不可能超过16岁。 Culd she have frgtten my address? 她会忘记我的地址吗? may/might have dne表示对已发生事情的不肯定的推测，mght相比may语气更加不肯定。 He may/might have cme by train. 他可能是坐火车来的。
1. He is right.2. He must be right.3. He will be right.4. He wuld be right.5. He ught t be right.6. He shuld be right.7. He may be right.8. He culd be right.9. He might be right.
almst certain
1. (2021•天津6月卷) -I hnestly dn’t think I'm ging t be admitted.-Well, yu never knw! Yu__________ a better impressin than yu think.A. may have madeB. shuld have madeC. culdn't have madeD. needn't have made2. (江苏巻) -I left my handbag n the train, but luckily smene gave it t a railway fficial.-Hw unbelievable t get it back! I mean, smene__________it.A. will have stlenB. might have stlenC. shuld have stlenD. must have stlen
3. (江苏巻改编) It was sad t me that they, s pr themselves, ______bring me fd.A. canB. shuldC. mustD. need
1. —I dn’t really like James. Why did yu invite him? — Dn’t wrry. He ______ cme. He said he wasn’t certain what his plans were. A. must ntB. need ntC. wuld ntD. might nt 2. The traffic is heavy these days. I _____arrive a bit late, s culd yu save me a place?A. can B. must C. need D. might3. One f the few things yu _____say abut English peple with certainty is that they talk a lt abut the weather.A. need B. must C. shuld D. can
选词填空(包含否定式)
can, culd, may, might, must (可重复选)
1.Helen 　　　　　 g n a trip with us, but she isn’t quite sure. 2.My sister met him at the theatre last night, s he 　　　　　　　　have atteneded yur am sure I saw Brian in the park this mrning.- Yu 　　　　　 be imagining things. He left fr America last night. 4. We 　　　　　 have face the diffculty tgether, but why didn’t yu tell me? 5.If yu _______ smke, please g utside.
can’t/ culdn’t