Unit5 单元知识点总结课件PPT--2022-2023学年度八年级英语下册基础知识专项讲练（人教版）(4个板块)

Unit 5 What were you doing when the rainstorm came? Grade 8 CO NTENTS 语法专题 0 1 Grammar 词汇专题 0 2 Words 重点短语 0 3 Phrases 写作专题 0 4 Writing 01 语法专题 Grammar 过去进行时；状语从句(when/while的用法) 常用时间状语:this morning,the whole morning/ night,all day yesterday,all night,from 10:00 to12 :00 yesterday. in those days等 过去进行时 (1)表示过去某一段时间内正在进行的动作 (2) 表示过去某一时刻正在发生的动作 常用时间状语: at that time, at this time yesterday, at 3 o'clock yesterday afternoon 等 I was watching TV the whole night . 整个晚上我都在看电视。 Miss Li was shopping at this time yesterday. 昨天这个时候李小姐正在购物。 用法 ①与when引导的时间状语从句连用(主句用过去进行时。从句用一般过去时) (3)表示过去某个动作发生时,另一个动作正在进行 (4) 表示过去某两个延续性动作同时进行 多与while引导的时间状语从句连用 The students were reading when the teacher came in. 老师进来时学生们正在读书。 I was cleaning my bedroom while my mother was cooking. 我打扫卧室的时候妈妈在做饭。 ②与while引导的时间状语从句连用(主句用--般过 去时,从旬用过去进行时) While he was reading. the telephone rang. 他正在看书时电话铃响了。 小练习 1．—I phoned you at 5: 00 yesterday afternoon, but nobody answered me. —Sorry. I _________ the flowers in the garden at that time. A．am watering B．watered C．was watering 2．—________ when the accident happened? —I was walking my dog. A．Where were you going B．Why are you here C．What were you doing D．What will you do 3．They ________ a movie from 6:00 to 8:00 last night. A．watched B．are watching C．would watch D．were watching 4．While my brother ________ his computer, Dad came home from work. A．repairs B．repaired C．is repairing D．was repairing 5．When I ________ for the bus, I saw a car _______ the tree. A．was waiting, hit B．wait, hitting C．waited, was hitting 6．My best friend visited my house while I ________ dinner in the kitchen. A．cooked B．was cooking C．am cooking D．cook 7．I was writing a letter ________ she was making a telephone call. A．while B．when C．before D．after 8．My mother ________ while I ________ the window. A．cooked; was cleaning B．was cooking; cleaned C．cooked; clean D．was cooking; was cleaning 9．I ________ my homework when my mo