Unit 3 Could you please clean your room?,第三课时 (Grammar Focus4c)单元同步语法精讲精练,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。 委婉地表示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 cant.I have to./Sorry，Im going to./Im afraid I cant.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？请你整理你的床铺好吗？ Yes，sure.好的，当然可以。,委婉地表示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 cant./Im afraid you cant.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，其答语中一般避免使用could来回答。,一、单项选择。 1_ _ I close the window？Its cold here. AMust BWill CCould DWould 2Could I bring a friend to your birthday party? Sure，_ _(安徽中考) Ano problem Bnot at all Cmy pleasure Dwell done 3Could you please sweep the floor？Im going to cook dinner. _ _Ill do it at once，Mom.(锦州中考) AIm afraid not BI hope so CThats all right DWith pleasure,C,A,D,4Could I borrow your bike，please? _ _(鞍山中考) AOf course you can BIt doesnt matter CYes，Id love to DNo，thank you 5Could you please do the dishes? _ _Im busy with my homework. AYes，you can BYes，I can CSorry，you cant DSorry，I cant,A,D,二、按要求完成下列句子。 6Could you please pass me the salt？(改为否定句) Could you please _ me the salt? 7Could you please clean the living room？(作否定回答) _，I _ 8How about going out for lunch with Jack？(用could改写句子) _ we _ for lunch with Jack?,not pass,No/Sorry,cant,Could,go out,本课时其他知识点精讲精练 【辨析】borrow，lend与keep borrow指向别人借东西，即“借入”。常用于词组borrow sth.from sb.或borrow ones sth.中。 lend指把东西借给别人，即“借出”。常用于词组lend sth.to sb.或lend sb.sth.中。 keep表示“借”，为延续性动词，通常和“for一段时间”连用，表示“借某物多长时间”。 while连词，意为“当的时候；在期间”，表示在某一段时间里某动作或状态是延续的。 eg：Please look after my pet dog while Im in Shanghai.我在上海期间请照顾我的宠物狗。,重点短语归纳 pass sb. sth.pass sth. to sb.把某物传给/递给某人 finish doing sth.结束做某事 hate to do/doing sth.讨厌做某事,1She cut her _ (手指) on a piece of glass. 2_ (递) the newspaper to me，please. 3_ (当的时候) we were in Beijing，we saw him twice. 4My brother Tom hates _ (do) the dishes. 5Can I _ your bike? With pleasure. But you mustnt _ it to others.(易错题) Alend；borrow Bborrow；lend Clend；lend Dborrow；borrow,finger(s),Pass,While,to do/doing,B,