unit11_how_was_your_school_trip_语法课件.ppt

Unit 11 How was your school trip?语法课语法课B:He/She oftenplay footballdoes he/she often do on weekends?Practicedo his homeworkdo theygo shoppingwatch TVTheyA:Whatdoesplaysplay the guitarplayed the guitarplay computerplayed computerWhat do you do every day?What did you do last weekend?play basketballplayed basketballWhat did you/he/she/they do last weekend?studied for the testwatched TVwent to the beachdid my homework一般过去时用来表示过去某一时间内发生的动作或存在的一般过去时用来表示过去某一时间内发生的动作或存在的状态以及过去习惯性、反复性的动作状态以及过去习惯性、反复性的动作;过去主语所具备的能过去主语所具备的能力和性格。谓语动词要用动词的过去式（力和性格。谓语动词要用动词的过去式（v-ed），），基本结构：主语基本结构：主语+动词过去式动词过去式+其他；其他；常和表示常和表示过去的时间过去的时间状语连用，状语连用，如如yesterday昨天、昨天、lastnight昨晚、昨晚、lastweek上周、上周、lastyear去年，等。去年，等。一般过去时一般过去时一、一、一般过去时的概念一般过去时的概念1.Be动词的一般过去时动词的一般过去时肯定句式：肯定句式：主语主语+was/were+其它其它.否定句式：否定句式：主语主语+wasnt/werent+其它其它.一般疑问句：一般疑问句：Was/Were+主语主语+其它？其它？肯定回答：肯定回答：Yes，主语，主语+was/were.否定回答：否定回答：No，主语，主语+wasnt/werent.2.行为动词行为动词(v.)的一般过去时态的一般过去时态肯定句式：肯定句式：主语主语+v-ed+其它其它.否定句式：否定句式：主语主语+didnt+v原形原形+其它其它.一般疑问句：一般疑问句：Did+主语主语+v.原形原形+其它？其它？肯定回答：肯定回答：Yes，主语，主语+did.否定回答：否定回答：No，主语，主语+didt.wasnt=wasnotwerent=werenot【didnot=didnt】【do,does-did】am/is-wasare-were二、一般过去时的结构（可分三类不同的结构）二、一般过去时的结构（可分三类不同的结构）注意：注意：1.did和和didnt是构成一般过去时的助动词，是构成一般过去时的助动词，其特点是要在其后跟动词的原形。其特点是要在其后跟动词的原形。2.实意动词实意动词do的一般过去时的一般过去时Idomyhomeworkeveryday.(用用yesterday改写句子改写句子)I_myhomeworkyesterday.I_myhomeworkyesterday.(否定句否定句)_you_yourhomeworkyesterday？Yes,Idid./No,Ididnt.(一般疑问句一般疑问句)1.They_(have)agoodtimeyesterday.2.They_(notwatch)TVlastnight.3._you_(go)totheparkyesterday?Yes,I_./_,Ididnt.haddidntwatchDidgodidNodiddidntdoDiddo一般过去时的判断标志词一般过去时的判断标志词yesterday,yesterdaymorning,thedaybeforeyesterday,last+时间时间,thismorning，时间时间+ago（twodaysago),justnow,amomentago(刚才）刚才）,in+过去过去的时间（的时间（in 1980）,等。等。注意：一般过去时表示过去经常或反复发生的动作，注意：一般过去时表示过去经常或反复发生的动作，也常和也常和often经常，经常，always总是，总是，onceaweek一周一一周一次，次，等表示频度的时间状语连用。等表示频度的时间状语连用。三、一般过去时的判断标志词一般过去时的判断标志词1.规则动词的过去式规则动词的过去式1)一般情况下，在动词原形后面加一般情况下，在动词原形后面加-ed。2)以不发音以不发音e结尾的动词，在词尾直接加结尾的动词，在词尾直接加-d。3)以以“辅音字母辅音字母+y”结尾的动词，先将结尾的动词，先将y改为改为i,再加再加ed。4)以重读闭音节（即辅音元音辅音）末尾只有一个以重读闭音节（即辅音元音辅音）末尾只有一个辅音字母的动词，要先双写这个辅音字母后，再加辅音字母的动词，要先双写这个辅音字母后，再加ed。口诀：一加口诀：一加eded，二加，二加d d，三要双写，三要双写，四注意，四注意，y y变成变成iedied，特殊形式特殊记。，特殊形式特殊记。四、动词过去式的构成四、动词过去式的构成playedworkedwantedneededdecidedlivedimprovedstudy-studiedworryworriedstop-stoppedshop-shopped2.不规则动词的过去式需特殊记忆。不规则动词的过去式需特殊记忆。am(is)are（是）（是）can（能）（能）do/does（做，干）（做，干）have(has)（有）（有）go（走）（走）come（来）（来）feed（喂）（喂）buy（买）（买）eat（吃）（吃）grow（生长）（生长）ride（骑）（骑）run（跑）（跑）say（说）（说）see（看见）（看见）get（变得，到达）（变得，到达）teach（教）（教）take（带）（带）swim（游泳）（游泳）learn（学习）（学习）wascouldhadcameboughtgrewransawtaughtswamweredidwentfedaterodesaidgottooklearnedlearntWhatdidyoudolastweekend?watchTVlistentomusicplaysoccergoswimmingeded（went）edWhatdidyoudolastweekend?cleantheroom playthecomputergamesgotothebeachededwentWhatdidyoudoonyourlastschooltrip?went to the zoosaw some pandas(see)went to the beach(go)took photos(take)had/ate ice cream(have/eat)went out with friends(go)What did you do on your last school trip?A:Did you+V.?take photos(took)go swimming(went)have a pizza(had)buy a gift(bought)B:Yes,Idid.IV.-ed.(No,Ididnt.Ididnt+V.I.写出下列单词的过去式写出下列单词的过去式 talk milk am/is are go ride feed take do seetalked was went fed did milked were rode took saw ExerciseII.用适当的词填空用适当的词填空1.How _ your school trip?It was great.2.How _ you yesterday?3.Today is Monday.Yesterday _ Sunday.4.What _ you do the day before yesterday?_ you ride a horse last week?6._ he see any cows on the farm?Yes,he did.7.Did he milk a cow on the farm?No,he _.8.Were the strawberries good?Yes,they _.9.Did you see any cows?Yes,I did.I _ quite a lot.10.I _ the chickens last week.was were was did Did Did didnt were fed saw