Unit5SectionAGrammarFocus课件-人教版英语八年级下册

Unit5Whatwereyoudoingwhentherainstormcame?SectionA语法2--Iwastakingashowerateightlastnight.Whatwereyoudoingateightlastnight?Freetalk--Whatwastheboydoingatthetimeoftherainstorm?--Hewasdoinghishomeworkatthetimeoftherainstorm.

Lookandsay--Whatweretheydoingwhentherainstormcame?--Theywerereadinginthelibrarywhentherainstormcame.

Lookandsay--Whatwasshedoingwhenitbegantorainheavily?--Whenitbegantorainheavily,shewashelpinghermommakedinner.

LookandsayWhatwereyoudoingateightlastnight?Iwastakingashower.Whatwasshedoingatthetimeoftherainstorm?Shewasdoingherhomework.Whatwashedoingwhentherainstormcame?Hewasreadinginthelibrarywhentherainstormcame.WhatwasBendoingwhenitbegantorainheavily?Whenitbegantorain,Benwashelpinghismommakedinner.WhatwasJennydoingwhileLindawassleeping?WhileLindawassleeping,JennywashelpingMarywithherhomework.GrammarObservethesesentences.非延续性延续性Grammar延续性动词与非延续性动词(1)延续性动词动作_____(可以/不可以)延续一段时间,而不是瞬间结束。(2)瞬间性(非延续性)动词

动作极为短暂，瞬间结束。区别可以ShereadbooksforthreehourslastSunday.YuanLongpingdiedthreeyearsago.延续性瞬间性When?While?过去进行时中的whenTheywerereadinginthelibrarywhentherainstormcame.Whenitbegantorainheavily,shewashelpinghermommakedinner.从句在前面是要用逗号隔开①

When+一般过去时，主句过去进行时werereadingwashelping

when引导的时间状语从句

动词一般为____________,瞬间动词强调在过去某个时间点，某事正在进行过去进行时中的whenWhenitbegantorainheavily,shewashelpinghermommakedinner.

when引导的时间状语从句

动词也可以为____________,延续性动词动词表达在某个动作持续的期间，某事发生了。Itbegantorainheavilywhenshewashelpinghermommakedinner.washelping

When+过去进行时，主句一般过去时MyfriendWhenmyfriend______(call)me,Iwassleeping.I_____________(have)breakfastwhenmyfriendgottoschool.calledwashaving过去进行时中的whileWhiletheywerereadinginthelibrary,therainstormcame.Whileshewashelpinghermommakedinner,itbegantorainheavily.②

While+过去进行时，主句一般过去时werereadingwashelpingwhile引导的从句动词必须是______________,

延续性动词表达在某个动作持续的期间，某事发生了。classWhileI_________(make)mywaytotheclassroom,theclassbegan.makeone'sway(to)...前往wasmaking初二1班WhileIwasridingmybiketoschool,thebell____(ring).rang过去进行时中的when和while1.Theywerereadinginthelibrarywhentherainstormcame.

Whiletheywerereadinginthelibrary,therainstormcame.2.Whenitbegantorainheavily,shewashelpinghermommakedinner.

Whileshewashelpinghermommakedinner,itbegantorainheavily.Thestudentsweretalkingwhentheteachercamein.Whilethestudentsweretalking,theteachercamein.Lookatthetableandwritesentenceswithbothwhileandwhen.JohnMarytakephotosbuyadrinkplaythepianoleavethehousecleanhisroomturnontheradioshoptakethecartothecarwash延续性动词瞬间动词课本P36

Exercise4a.JohnwastakingphotoswhenMaryboughtadrink.Example:课本P36whilewhen②

While+过去进行时，主句一般过去时①

When+一般过去时，主句过去进行时WhileJohnwastakingphotos,Maryboughtadrink.JohnwasplayingthepianowhenMaryleftthehouse.课本P36WhileJohnwasplayingthepiano,Maryleftthehouse.②

While+过去进行时，主句一般过去时①

When+一般过去时，主句过去进行时

WhileJohnwascleaninghisroom,Maryturnedontheradio.

JohnwascleaninghisroomwhenMaryturnedontheradio.课本P36

WhileJohnwasshopping,Marytookthecartothecarwash.JohnwasshoppingwhenMarytookthecartothecarwash.课本P36KnowmoreaboutwhileandwhenWhileIwasreading

inthebedroom,mymotherwascooking.③

While+过去进行时，主句过去进行时强调两个动作同时进行

④

When+一般过去时，主句一般过去时往往表达两个动作前后发生主从句都是延续性动词时，大都用_______.WhileWhile

whileandwhen本节课用法总结①

When+一般过去时，主句过去进行时③

While+过去进行时，主句过去进行时

④

When+一般过去时，主句一般过去时②

While+过去进行时，主句一般过去时At7:00a.m.,Iwokeup.________I_______makingmybreakfast,mybrother______listeningtotheradio.________Iwaseating,theradionewstalkedaboutacaraccidentnearourhome.MybrotherandIwentoutrightawaytohavealook.______wegottotheplaceoftheaccident,thecar_____inbadshapefromhittingatree.Butluckily,thedriver______fine.Theroads______icybecauseoftheheavysnowfromthenightbefore.Fillintheblankswithwas,were,whenorwhile.Practice4bWhilewaswasWhile延续性Whenwaswaswere单项填空。()1.Kiki_____westernmusicateightlastnight.listentoB.washearingC.heardD.waslisteningto()2.–Whatwerethestudentsdoingatthistimeyesterday?-They_____asingingshowonTV.A.arewatchingB.watchedC.waswatchingD.werewatching()3.She