Unit 11 Lesson 1 Focus On Language 语法•提升语言能力（课件PPT）-【新课程学案】新教材2023-2024学年高中英语选择性必修第四册（北师大版2019）

Lesson 1: Focus On Language—语法·提升语言能力 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。 语法项目—— Modal Verbs 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？” ①could have done表示本来可以做某事，但没做； ②should have done 表示本来应该做某事，但没做； ③must表示肯定推测； ④can't be too表示无论怎么样都不为过； ⑤must have done表示对过去事实的肯定推测； ⑥⑩shall表示征求意见； ⑦may/might as well不妨；倒不如； ⑧can表示许可； ⑨would表示要求。 慧学语法——运用“形式—意义—使用”三维动态语法观　 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。 一、情态动词的基本用法　 [先感知] 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)“Life will go back to normal now，” they said. ④(教材典句)Ma Ming, a drummer for the rock band “Storm”， had to pack his bags. ⑤(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. ⑥(教材典句)We could hardly get rid of the smell of fish! ⑦(教材典句) The candles were a great sight as you can imagine, but James didn't get to blow them out. [会发现] 通过以上例句，你能归纳出句中情态动词的含义吗？ [明规则] 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