初中过去进行时ppt课件

过去进行时 一 定义过去进行时表示在过去某一时刻或某一段时间内进行或发生的动作 不一定已完成 其形式为was were V ing 二 过去进行时的用法1 表示过去某一时间 正在 进行的动作 IwaswatchingTVat7lastnight Iwassleepingwhenitstartedtorain 2 表示过去某一阶段正在进行的或暂时性的动作 Atthattime IwasworkinginSydney 3 表示一动作正在进行时 另一动作同时突然发生 1 用while连接 while只接doing 用延续性动词 2 when表示 when可以接doing或did 动词可以是延续性的也可是短暂性的 when后动作时间长 用doing 时间短 用did IwaswatchingTVwhensomeoneknockedatthedoor Someoneknockedthedoorwhile whenIwaswatchingTV 思考 Iwaswalkingpastthecarwhileitsuddenlyexploded 爆炸 正确与否 4 用于故事 以提供其时间背景Marywasdancing butshestoppedwhenshesawme WhenIwasworkinginthegarden theaccidenthappened 5 带感情色彩 使描述生动 Shewasalwayshelpingotherswhenshelivedhere 三 过去进行时的用法常用的时间状语atthatmoment atteno clocklastnight at thistimeoflastyear lastnight alldayyesterday thismorning thewholemorning fromninetotenlastevening when while等 e g I read anewspaperat7lastnight He clean theyardwhenhissoncamehome They play veryhardatthistimeoflastyear 四 与一般过去时的对比都强调过去发生的事但用一般过去时 只是表示有过这件事 已做完 用过去进行时 则强调了动作的连续性 未必已完成 e g Iwasreadingabookthatevening 那天晚上我一直在读书 未读完 Ireadabookthatevening 那天晚上我读了一本书 已读完 练习 1 04中考 Someone atthedoorwhenTomwashavinghissupper A hadknockedB hasknockedC knocked2 05中考 Someone atthedoorwhenshewascookinginthekitchen A hadknockedB hasknockedC knocked3 Itwaswarm soI take offmycoat 4 MybrothercameintothebedroomwhileI dance 5 he lie onthegroundatnineyesterdayevening 6 What Jim write whentheteachercamein 7 MikeandI play basketballatthattimeyesterdayafternoon 8 IfirstmetLisathreeyearsago She work ataradioshopatthetime 9 WhenIarrivedathisoffice he onthephone speak 10 Whilewe wait forthebus agirl run uptous 11 She notwant tostayinbedwhiletheothers all work inthefieldsthatmorning 12 Whilemymother put Cathytobed thedoorbell ring thatnight 13 AsI walk inthepark it begin torain 14 Evenwhenshe be achildshe already think ofbecomingaballerina 芭蕾舞演员 15 Itwasquitelateatnight George read andAmy ply herneedlewhenthey hear aknockatthedoor 16 There be agrouproundthefirewhenthey reach it Anoldwoman sit onthegroundnearthekettle twosmallchildren lie nearher adonkey be