语法进阶 9 情态动词(word)-【全效学习】2023-2024学年九年级下册英语同步课件及教参（外研版）

情态动词　[见学生用书《强基专项突破练》P21] Ⅰ.从括号中选择合适的情态动词填空 1．The cloud is getting darker，so it may (may/might)rain soon. 2．The lady can't (can't/needn't)be our music teacher.She is having a music lesson in Class 2. 3．—I'm afraid I can't finish the paper on time. —Don't worry.You needn't (can't/needn't)complete it today.You can (can/must)do it later. 4．—Mum, why do I have to (have to/would like to)wash hands so many times a day? —For your health，you can't (can't/mustn't)be too careful. 5．The bus is crowded so we have to (must/have to)wait for the next one. 6．You must (must/have to)be very tired with the long drive.Let's stop to have a rest. 7．Fred may (may/need)go to the party with us tonight，but he hasn't decided yet. 8．You ought to (ought to/would like to)return the book to the school library on time. Ⅱ.根据中文提示完成句子，每空一词 1．It's the library！So you must know shouting isn't allowed (一定知道高声说话是不被允许的)here. 2．If the traffic light is red，you mustn't cross the road (禁止过马路)．It's very dangerous. 3．Dirty air and water are harmful.They may/might/could kill plants (可能杀死植物)，animals and even people. 4．The song Never Say Never tells people that they can finish almost everything (能够完成几乎所有事)if they don't give up. 5．As middle school students，we must follow the public rules (必须遵守公共规则)wherever we go. Ⅲ.阅读短文，填入合适的情态动词 As an old saying goes，“When in Rome，do as the Romans do.” It is important to know what you 1. must and must not do when you meet people from a different country.You 2. mustn't/shouldn't/can't ask Westerners “How old are you？” because it is not polite.Even though you know someone well，you 3. mustn't/shouldn't/can't ask “How much money do you make？” He 4. may/might/could never speak to you again！Those questions are about their privacy(隐私)，so you 5. can't/mustn't/shouldn't ask about it.Try to talk about the weather with English people if you do want to have a conversation with them. In public places，you 6. must/should/need/ought to/have to ask people before you take photos of them.And you 7.