39. Unit 8第3课时 Grammar-【教与学·学导练】2022-2023学年七年级下册英语同步课件PPT（配上海教育版）

教与学·学导练·英语·七年级·下册·配上海教育版（内文） 教与学学导练 英语 华翰文化 Unit 8 From hobby to career 第3课时 Gr ammar 目录 01 语法聚焦 02 课堂练习 少 华翰文化 目LAHAN CL1.TLgE 语法聚焦 时间状语从句 返回且录 华翰文化 类别 要点 举例 定义 用表示时间的连词连接一个句子作状语，这样的主从复合句叫作时 间状语从句 连接词when,as,while,,after,,before,,since,as soon as,once,til,untils等 when既可指时间点，也可指I was thin when I was a child..当我还是个 时间段；主从句动作可同时 when的发生也可先后发生 孩子的时候，我很瘦。 It was raining when I arrived.我到达 用法 时，天正在下雨。 when引导时间状语从句时， When (you are)in trouble,you can 如果从句主语与主句主语相 visit this man.当你有麻烦时，可以找这 同，且从句有be动词，则从句个人。 可省略主语和be动词 录 华翰文化 续表 UL AHAN CULTLRE whi1e的while只能指一段时间，从句My r mother was cooking 用法 中的动词必须是延续性动 while I was doing my 词，强调某一段时间主句发 homework.当我在做作业 生的动作 时，我的妈妈在做饭。 while意为“然而”；也可在I like watching TV, 句首引导让步状语从句，意while he likes reading. 为“虽然” 我喜欢看电视，而他喜欢读 书。 While he has his own car,he often uses mine. 尽管他自己有车，他却常用 我的。 且录 小华翰文化 ILAHAN C1.TL配E 课堂练习 一、 从括号里选择正确的词（组)填空 1. While (Before;While)she is reading a book,her mother is walking her dog. 2.Lucy likes to take a shower before before; after)she goes to bed. 3.My grandfather was not at home when (when;until)I came to visit him. 返回目录 华翰文化 UL AHAN CULTLRE 4.Please turn off the lights before (before; after)you leave the classroom. 5.I will tell him the news as soon as (as soon as;until) )he comes back. 6. When (When:While)she comes,I will tell her to wait for you. 7.Tom has to finish his homework before (after;before)his mother comes home. 返回目录 华翰文化 ILAHAN C1.TL配E 8. When (When;While) you come tomorrow,I'll give you some chocolate. 9.I will talk with her while (after;while) we are having dinner. 10.The noise in the street didn't stop until (until;after)it was midnight. 返回目录 h 华翰文化 目LAHAN CL1.TLgE 二、选择填空 C )1.He didn't go to bed he finished his work last night..（2022株洲) A.because B.if C.until C )2.Teenagers should do some housework they finish their homework.(2022辽宁) A.until B.but C.after D.unless 返回且录