七年级英语下册Unit5AmazingthingsGrammar新版牛津版.pptx

11.We use the simple past tense to talk about things in the past.一、什么情况下使用一般过去时一、什么情况下使用一般过去时?2 went是是go在一般进去时中所用的在一般进去时中所用的动词形式动词形式,是是go的过去式。的过去式。A month ago,Millie and Amy went to Sunshine Park.一个月前，米莉和艾米一个月前，米莉和艾米去了去了阳光公园。阳光公园。3 Last Sunday,they went to the park again.上个星期天上个星期天,她们又她们又去了去了那儿。那儿。42.We form the simple past tense by adding-ed to regular verbs.提示：一般过去时常与表示过去的提示：一般过去时常与表示过去的时间状语连，如：时间状语连，如：yesterday,last night,a month ago,yesterday afternoon,last week,ten years ago 51 绝大多数动词绝大多数动词+edwalkwalked2以以e结尾的动词结尾的动词+dlivelived3以辅音字母以辅音字母+y结结尾的动词尾的动词变变y为为iedcrycried4以一个元音字母以一个元音字母+一个辅音字母结一个辅音字母结尾的短动词尾的短动词双写末双写末尾的辅尾的辅音字母音字母+edstopstopped二、规则动词过去式的构成方法二、规则动词过去式的构成方法6提示提示:以元音字母以元音字母+y结尾的动词结尾的动词按第一条规则，即：按第一条规则，即：+ed,如如:stay stayed7want talk like worry try stop wanted talked liked worried tried Stopped写出下列动词的过去式。写出下列动词的过去式。8 三、不规则动词的过去式不是加三、不规则动词的过去式不是加ed 构成的构成的,需要我们记住它们。不规则需要我们记住它们。不规则动词的过去式归纳起来有这样几种动词的过去式归纳起来有这样几种类型类型(见下表见下表)：91与原形一样与原形一样,没没有变化有变化cost-cost put-put 2改变了元音改变了元音write-wrote know-knew3改变了辅音改变了辅音make-made spend-spent4元音和辅音都变元音和辅音都变化了化了leave-left teach-taught10Infinitive Past tenseam is wasare werebegin beganbreak brokebring broughtbuild builtbuy boughtcan couldInfinitive Past tensecatch caughtcome camedo diddraw drewdrink drankdrive droveeat atefall fell111)肯定句肯定句 主语主语+谓语动词过去式谓语动词过去式 He heard a whisper.They went to the park again last Sunday.四、谓语动词为实义动词的一般过四、谓语动词为实义动词的一般过去时的句子结构去时的句子结构122)否定句否定句 主语主语+didnt+谓语动原形谓语动原形 I didnt go to the park yesterday morning.He didnt hear a whisper.They didnt find anything in the bushes.13 3)一般疑问句一般疑问句 Did+主语主语+谓语动原形谓语动原形?Yes,代词代词+did./No,代词代词+didnt.Did you go to the park yesterday morning?Yes,I did.Did he hear a whisper?No,he didnt.141.start _2.love _3.play _4.plan _9.leave _10.tell _11.stand _12.bring _5.reply _6.say _7.meet _8.hear _startedplayedlovedplannedsaidrepliedleftmetstoodtoldheardbroughtFinish Part A on page 62.This morning,we _(go)to the Fun World Museum.When we _(get)to the museum,there _(be)a lot of people there.We _(spend)three hours in the museum.I _(take)a lot of photos.Some of us _(buy)cards of the animals there.We _(come)back to school at 1 p.m.We _(have)a great time!wentwerespenttookboughtcamehadgotFinish Part B on page 62.Millie:We _(go)to the Fun World Museum the day before yesterday,Daniel.It _ (be)so interesting!Daniel:Really?Tell me all about it.Millie:OK.We _(see)a small monkey,only 11 centimetres tall.Daniel:Thats amazing!What else?Millie:We also _(learn)about some strange birds like dodos.They _(live)on the earth a long time ago.Daniel:Thats cool!wentsawwaslearntlivedFinish Part C on page 62.Do more exercises.She waited for me.He watched TV.He played basketball.Micky danced happily.She went to school.181.Lucy did her homework at home.(改否定句改否定句)Lucy _ _ her homework at home.2.He found some meat in the fridge.(变一般疑变一般疑问句问句)_ he _ _ meat in the fridge?3.She stayed there for a week.(对划线部分提问对划线部分提问)_ _ _ she _ there?4.There was some orange in the cup.(变一般疑变一般疑问句问句)_ there _ orange in the cup?didnt do Did find any How long did stay Was any改写句子。改写句子。动词一般过去时，表示过去发生的事；动词一般过去时，表示过去发生的事；be用用was或用或用were,have,has变变had；谓语动词过去式，过去时间做标志；谓语动词过去式，过去时间做标志；一般动词加一般动词加-ed，若是特殊得硬记。，若是特殊得硬记。否定句很简单，主语之后否定句很简单，主语之后didnt添；添；疑问句也不难，疑问句也不难，did放在主语前；放在主语前；如果谓语之前有如果谓语之前有did，谓语动词需还原；，谓语动词需还原；动词若是动词若是was,were,否定就把否定就把not添。添。Homework1.Learn the irregular verbs by heart.2.Do some translations.