3.Unit 2 第三课时（作业课件）-【优翼·学练优】2026-2027学年八年级上册英语同步备课（人教版·新教材）

该初中英语课件聚焦八年级上册第三课时Grammar Focus，核心讲解could/can的三种用法：委婉请求、请求允许及过去式表能力，通过语法精讲呈现结构与答语，再以语法精练的问答、改错题作为学习支架，衔接知识点与应用。 其亮点在于融合语言能力与思维品质，如情境对话题（编征求妈妈同意的对话）和完形填空（通过故事理解用法），采用“讲练结合”的学科特色方法，帮助学生提升语言运用和问题解决能力，教师可高效开展语法教学。

优翼 优翼 学练优·八年级英语上 优翼 第三课时 Grammar Focus(3a~3c) 优翼 11语法精讲10 委婉地请求别人做某事。如：Could/Can you(please)do..? 肯定回答：Yes./Sure./Of course./No problem./Certainly. 否定▣答：Sorry,Ican't./T'm afraid I can't./T'm afraid not. 表示礼貌 的 委婉地请求别人允许自己做某事。如：Could/Can I do..? could/can 肯定回答：Yes,you can../0 f course you can./Yes,please. 的含义及用法 否定回答：Sorry,you can't./Sorry,I'm afraid you can't. could为 的过去式，表示能力 如：I could swim when I was5 years old. 优翼 11语法精练 00 I.按要求完成下列各题。 1.-Could I invite my friends to our home,Mum? That sounds fun.（写出答语) 2.-Could your sister play the erhu at the age of 8? She started to learn it at ten. (写出答语) 优翼 3.-Can I borrow this book and take it home,Mr Lee? You can only read it here..（写出答语) 4.-Could you pack up these clothes for me? 一Yes,I could..（找出句子中的错误并改正) 优 5.Mum,I want you to make some biscuits for me. (改为礼貌的请求) 6.看完电影后你想和朋友逛一下，需要征求妈妈 的同意。（根据情境，编一组对话) 优翼 Ⅱ.根据括号内给的提示词，用can或could完成 下面几组对话。 1.A: ,Dad?（use; computer） B:Sorry,I'm working on it now. A:Well, (watch TV) B:Yes,but you have to clean your room first. 优翼 2.A:Tom, I need to pick up the kids. sort;clothes) B:Sure,Mum!Then what do I need to do? A: (put;washing machine) B:Sure. 优篷 3.A: They're quite heavy.carry; books library) B:Of course!I'm glad to help. A:Thank you so much! B:No problem at all. ？(borrow;book) A:Sure!Just tell me which one you like. 优翼 11课时精练10 I.根据句意用方框中所给单词的适当形式填空。 community,rubbish,toilet,die,until,tomorrow 1. 新课标雷锋精神Although Lei Feng is,his spirit is with us all the time. 2.After the picnic(野餐)，we should take all the away. 优翼 3.Yesterday is a history. is a mystery (谜)and today is a gift. 4.In our everyone helps each other like a big family. 5.-Lucy,can you help me pick up my package (包裹)？ -Wait I finish doing my homework. 6. 新课标卫生习惯Remember to wash your hands after going to the 优 Ⅱ.根据句意用方框中所给短语的适当形式填空。 take notes,be careful with,clean it up, give sb a ride,go to the movies,stay out 1.When you walk into the room, the wet floor, 2.Alice,don't so late.Your mum will worry about you, 优 3.-Dad,could you please I don't want to be late for class. -No problem. 4.Remember while you are reading.It helps you understand the text better. 5.I with my friends yesterday. We all think the film Ne Zha 2 is amazing. 6.There is some broken(破碎的)glass on the ground.Let's go and 优 Ⅲ.完形填空。 When I had something difficult to do,I asked my mother for help,but she always said, “I'm1.Do it yourself,my dear.”I was not happy at all.I thought she was the laziest(最懒惰 的)mother in the world! D 1.A.sad B.bored C.ready D.busy 优翼 For example,one day,I decided to 2 some friends to my house to have a birthday party.My room was not 3.Books,clothes and shoes were everywhere.And I didn't make the bed.I asked,"Could you please help me clean the room,Mum？My friends are arriving soon.”But C 2.A.make B.promise C.invite D.leave A 3.A.tidy B.large C.strange D.dirty 优翼 she still said,"4 my dear girl,I'm busy.You should do it yourself, Because of my“lazy mother”,I have to do some 5 such as doing the washing,doing the dishes and cleaning my room.I have to help my C 4.A.OK B.Thanks C.Sorry D.Sure B 5.A.exercise B.housework C.reading D.homework 优翼 parents 6 my little sister.It is really 7 for me to do everything well and I often make mistakes.But I 8 a lot. B 6.A.look for B.take care of C.put on D.hang up D 7.A.exciting B.fast C.easy D.difficult A 8.A.learned B.added C.packed D.forgot 优翼 As time goes by,I understand my mother well.At first,I thought she was just lazy,9 now I realize she was teaching me an important lesson.She wanted me to learn how to take care of C 9.A.or B.because C.but D.so 优翼 myself.Over time,I began to see her "laziness"as her way of helping me 10.What a great mother she is! A“lazy”mother is worth(值得的)one thousand teachers!Don't you think so? D 10.A.remember B.win C,arrive D.grow 优翼 声明 本文件著作权为创作公司所有，仅限于教师教 学及其他非商业性和非盈利性用途。如发现盗用、 转卖、网络传播等侵权行为，本公司将依法追究其 相应法律责任。 部分素材选自网络，如有争议，请联系删改。