Unit 11 Conflict And Compromise Section 4 Focus on Language 课件（共84张）+学案（含答案）+练习（含答案）

Section 4　 Focus on Language：Modal Verbs 课时目标 1.在文本中理解情态动词的意义和用法。 2.在语境中使用恰当的情态动词进行表达。 初识语法———在美文运用中体悟 　　　　　　 　　 Tom ①could have got to school on time yesterday morning, but he was held up on the way to school in a heavy traffic jam. “Tom, you ②should have said sorry to me for coming late，” said Mr Smith. “I ③must be too eager to go into the classroom.I ④can't be too sorry for my coming late！” said Tom. “Oh, I ⑤must have left my English textbook at home, after I finished my homework last night，” said Tom.“⑥Shall I share it with my classmate？” “OK, you ⑦may/might as well bring your own textbook next time, but for this time you ⑧can share it with your deskmate，” said Mr Smith.“Now, class, ⑨would you please turn to page 11 ⑩Shall we begin our lesson？” ①处could have done表示本来可以做某事，但实际上没做； ②处should have done 表示本来应该做某事，但实际上没做； ③处must表示肯定推测； ④处can't be too表示无论怎么样都不为过； ⑤处must have done表示对过去事实的肯定推测； ⑥⑩处shall表示征求意见； ⑦处may/might as well意为“不妨；倒不如”； ⑧处can表示许可； ⑨处would表示要求。 慧学语法———在归纳演绎中学通　 [自主感知] ①(教材典句)They couldn't relax or read a book without plugging their ears. ②(教材典句)We told him that he ought to cease drumming or leave the property. ③(教材典句)Ma Ming, drummer for the rock band “Storm”， had to pack his bags. ④(教材典句)“For the last two weeks, since Smith moved into the flat above us, we dared not go onto our balcony，” said Laurene. ⑤(教材典句)The candles were a great sight as you can imagine, but James didn't get to blow them out. ⑥Since nobody could help Mary with her study, she must have finished it by herself. [我的发现] 通过以上例句，你能归纳出句中情态动词的含义吗？ [规则点拨] (一)情态动词的概念及特征 情态动词表示说话人的某种感情或语气，对某一动作或状态的某种态度，表示需要、可能、必须、应该等。 情态动词有以下特征： 1．在形式上，大多数情态动词没有实义动词的各种变化(have to除外)，有的情态动词有过去式。 2．在意义上，大多数情态动词有多个意义，如can可以表达“能力”“可能”“许可”等。 3．在用法上，情态动词须同不带 to的动词不定式(have to、 ought to、 used to除外)连用，构成复合谓语。 (二)情态动词的基本用法 1．can/could (1)表示能力，意为“能，会”。 The smallest good habits can make a big difference. 最小的好习惯会产生很大的作用。 It was several minutes before I could take in what he said. 过了好几分钟，我才理解他说的是什么。 (2)表示推测，意为“可能”，用于否定句或疑问句中。can比could语气强。 This can't/couldn't be done by him. 这件事不可能是他做的。 (3)表示请求或许可。在疑问句中可以用could代替can，语气更委婉。 Could I use your phone, please 我可以用一下你的电话吗？ (4)表示理论上的可能性。 Always believe that good things are possible, and remember that mistakes can be lessons that lead to discoveries. 要始终相信美好的事物是可能的，记住失误也会变成经验教训，从而获得更多发现。 (5)用于否定句和疑问句，表示惊异、怀疑、不相 ... ...