Unit 3 第3课时 Section A(Grammar Focus～4c)-【黄冈金牌之路·练闯考】2022-2023学年八年级英语下册作业课件(人教新目标Go For It!)

第三课时　Section A(Grammar Focus～4c) 英语 八下英语 人教 练闯考 情态动词could的用法 ►表示过去的能力和可能性。 could为can的过去式，表示过去的能力和可能性时，其肯定回答和否定回答都用could。 —Could you play basketball when you were 8 years old？你八岁时会打篮球吗？ —Yes，I could./No，I couldn't.是的，我会。/不，我不会。 ►could可用于表示请求的问句中，其表现形式有两种。 1．Could you (please)...？表示请求对方做某事。 Could you please help me clean the room？你能帮我打扫房间吗？ 2．Could I．..？表示请求对方允许自己做某事。 Could I use your bike？我可以用你的自行车吗？ 【注意】表示请求时，其肯定回答和否定回答都不用could，肯定回答常用“Certainly./Of course./Yes，sure./It's OK./All right.”等；否定回答常用“Sorry，but.../Of course not.”等。 —Could you please do the dishes？你可以洗盘子吗？ —Sorry，I'm afraid not.I have to do my homework.对不起，恐怕不行。我得做家庭作业。 —Could I use your computer？我可以用你的电脑吗？ —Certainly.当然可以。 一、用括号内所给单词的适当形式填空。 1．Could you ____ (help) me with my lessons? 2．Could you please ______ (clean) your room? 3．Could we _______ (leave) at seven? 4．—Could I watch TV now? —Yes，you ____ (could). 5．David，_______ (can) you please sweep the floor and take out the rubbish? help clean leave can could 二、单项选择。 (　　)6.—________ I park my car here for a while? —Sorry，you can't.Don't you see the sign “No Parking”？ A．Could B．Would C．Must D．Should (　　)7.—Could I ride an electric(电动的) bicycle to school，Mr. Wang? —No，you ________. A．couldn't B．needn't C．can't D．shouldn't A C (　　)8.—Mom，may I go to see a film with my cousin? —You ________ go if you have finished your homework. A．must B．need C．should D．can (　　)9.—Could you please sweep the floor? I'm going to cook dinner. —________.I'll do it right away，Mom. A．I'm afraid not B．Sure，no problem C．Never mind D．You're welcome D B (　　)10.—Could you go to the movies with me tonight? —________.I have to prepare for my English test. A．Yes，I can B．I'd love to C．Never mind D．I'm afraid not D 三、按要求完成下列句子。 11．—Could you please sweep the floor? (作肯定回答) —______，I _____． 12．—Could I use your car？(作否定回答) —____，you _______． 13．Could you please clean the dining hall? (改为否定句) Could you please ____ ______the dining hall? 14．I could play b