八年级英语上册 Module 8 Accidents Unit 3 Language in use课件 （新版）外研版.ppt

module8unit3languageinuse grammar 过去进行时 1 过去进行时的定义 构成 表示过去某一时刻或一段时间内正在进行的动作 常和表示过去时间的词组或从句连用 构成 肯定句 主语 was were v ing否定句 主语 wasn t weren t v ing疑问句 was were 主语 v ing yes 主语 was were no 主语 wasn t weren t 2 过去进行时的基本用法 1 过去进行时表示过去某时间正在进行的动作或持续的行为 常和表过去的时间状语连用 如 atthistimeyesterday at9 00lastnight from7 00to10 00yesterdaymorning等 iwasdoingmyhomeworkatthistimeyesterday 昨天的这个时候我正在做作业 2 过去进行时可用来为另一个动作的发生提供背景 表示背景的句子通常用过去进行时 而另一个句子则用一般过去时 hehurthislegwhenhewasridingabike 他在骑自行车时把腿摔坏了 3 现在进行时和过去进行时的区别 1 表示说话时正在进行的动作用现在进行时 am is are doing iamwritingaletternow look theyarewaitingforyou 1 we work onafarmnow 2 listen someone knock atthedoor 3 lucy notread atthemoment 4 wherearethey they run outside areworking isknocking isn treading arerunning 练一练 2 表示过去某时或某段时间正在进行的动作要用过去进行时 was were doing myparentswerewatchingtvat8 30yesterdayevening iwasn tdoingmyhomeworkwhenhecalledme 一般过去时和过去进行时的区别 相同点 两者都表示过去发生的动作 不同点 一般过去时表示过去一个完成的动作 过去进行时表示过去正在进行的动作 可能没有完成 e g hereadabooklastnight 昨天晚上他读了一本书 读完了 hewasreadingastorybooklastnight 昨天晚上他正在读故事书 还没有读完 saywhatthepeopleweredoing onsaturday fromabout12noonto2pm lastsunday duringtheday ataboutseveno clocklastnight thismorning onmywaytoschool thistimelastyear exercise 1 昨天早上七点钟你干什么了 what you at7amyesterday 2 当你回来时 他正在看电视吗 he tvwhenyoucameback 3 当我离开时 他正在做家庭作业 he hishomeworkwhenileft 4 昨天中午他在哪里等你 he foryouatnoonyesterday 一 根据汉语提示完成下列句子 were doing was watching was doing where was waiting 二 句型转换 wasn t cooking what were doing 1hewascookingwhenicamein 改为否定句 he whenicamein 2theywerewatchingtvateightlastnight 就划线部分提问 they ateightlastnight 3 there snothingwrongwithmybike 改为同义句 there withmybike 4 shesawabookonthedesk 完成反意疑问句 shesawabookonthedesk isn t anything wrong didn t she 1 they watch thetvplayatthistimeyesterday 2 she do herhomeworkwhenhermothercameback 3 whentheyleftthisafternoon it rain 4 he lie inbedand read thebooksat10 00lastnight 5 didyouseethem swim intheriverjustnow werewatching wasdoing wasraining waslyingreading swimming 三 用括号内所给动词的适当形式填空 writingusethefollowingnotestowriteashortstoryaboutyourpastexperience whatwashappeningatthetime whatyouwe