Unit 3 第三课时 (Grammar Focus 4c)—单元同步语法精讲精练-【原创新课堂•河南专版】2022-2023学年八年级英语下册作业课件(人教版)

第三课时　(Grammar Focus­4c) —单元同步语法精讲精练 英语 八年级下册 人教版 原创新课堂 情态动词could的用法 情态动词could构成的句型用于向对方提出请求或征求对方的许可，表示委婉的语气。 ►用法 ①委婉地请求别人做某事时用：Could you (please) do sth.? 此句型的肯定答语用：Yes，sure./Yes，I can./Of course，I can./No problem./With pleasure.等。 否定答语用：Sorry，I can't.I have to.../Sorry，I'm going to.../I'm afraid I can't.I have to...等。总之，答语没有固定的形式，但要符合上下文的语境。 eg：—Could you please make your bed？请你整理一下你的床铺好吗？ —Yes，sure. 好的，当然可以。 2 ②委婉地请求别人允许自己做某事时用：Could I do sth.？此句型一般不在I后加please。 肯定答语用：Yes，you can./Yes，please.等。 否定答语用：Sorry，you can't./I'm afraid you can't.等。 eg：—Could I go to the movies？我可以去看电影吗？ —Yes，you can. 是的，你可以。 ►注意 无论是Could you please...？还是Could I．..？句型，其答语无论是肯定回答还是否定回答，都不可以用could，而要用can，因为问句中的could不是过去式。 ►拓展 表示委婉请求的常见句型还有： Would you like sth./to do sth.? Shall we do sth.? May I do sth.? What/How about sth./doing sth.? Would you mind sth./doing sth.？ 一、按要求完成下列句子。每空一词。 1．We could go out for a walk after dinner.(改为一般疑问句) ______ you ___ out for a walk after dinner? 2．Could you please open the door？(改为否定句) Could you please ____ _____ the door? 3．Could you please take out the rubbish？(作肯定回答) ____，_____． 语法精练 Could go not open Yes sure 5 4．Do you let me go to the movies with Bill？(用could改写句子) ______ I ___ to the movies with Bill? 5．Could I play computer games，Mom？(作否定回答) ____，you ______． 6．Could I use your English dictionary？(作肯定回答) ___ _________ / ____ _______．Here you are. 7．Would you like to go shopping with me？(改为同义句) _______ ____ ______ go shopping with me? Could go No can't No problem Of course Could you please 二、根据汉语意思翻译下列句子。 8．你能和我逛逛吗？ Could you hang out with me? 9．你能把勺子递给我吗？ Could you please pass me the spoon? 10．我能和我的朋友们去公园吗？ Could I go to the park with my friends？ 7 一、根据句意，选择方框中的单词并用其适当形式填空。 1．Please don't call me up ______ I am at work. 2．Mike ______ to do the dishes，because he thinks it's boring. 3．Tina cut one of her ________ when she cut up one onion today. 4．I lost my pen，so I __________ one from my classmate to finish the exam. 5．I can _____ my bike to you if yo