1、I watch TVI watched TVShe has eggs and breadShe had eggs and breadJay gives a concertJay gave a concert比一比everydaylast nightevery morningyesterday morningevery month last month知识结构知识结构构成用法常用时间动词的过去式1.表示过去某个时间发生的动作或存在的状态。2.表示过去经常或反复发生的动作。yesterdaylast nightin 1990two days ago规则动词不规则动词构成读音构成规则例词1.一般在动
2、词原形末尾加-ed look looked play played start started2.结尾是 e 的动词加-d live lived hope hoped use used3.末尾只有一个辅音字母的重读闭音节词，先双写这个辅音字母，再加-edstop stoppedplan plannedtrip tripped4.结尾是“辅音字母+y”的动词，先变“y”为“i”再加-ed study studiedcarry carried规则动词过去式的构成清念/t/，即 ed 在清辅音后面念/t/例：finished helped passed cookedn元浊/d/,即 ed 在元音，浊
3、辅音后面念/d/例：borrowed enjoyed called movedn/t/d/之后念/id/,即 ed 在/t/d/音后面念/id/例：wanted shouted needed counted注意啦！不规则动词表Infinitive Past tenseam is wasare werebegin begunbreak brokebring broughtbuild builtbuy boughtcan couldInfinitive Past tensecatch caughtcome camedo diddraw drewdrink drankdrive droveeat a
4、tefall fell1.表示过去某个时间发生的动作或存在的状态。He was here yesterday.I got up at six thirty yesterday morning.My father was at work yesterday afternoon.Did you have a good time last summer?2.表示过去经常或反复发生的动作。My father often went to work by bus last year.When I was a child,I often listened to music.行为动词一般过去时的否定式一般过去
5、时的否定式是在动词原形前加助动词did not(didnt).主语+didnt+动词原形I _ them the news.I _(tell)them the news yesterday.didnt telltold行为动词一般过去时的疑问式行为动词一般过去时的疑问式一般过去时的一般疑问式在句首加助动词didDid+主语+动词原形？They _ (finish)their work at four.一般疑问句:_ they _ their work at four?Yes,they _.No,they _.finishedDidfinishdiddidnt行为动词一般过去时的疑问式一般过去时
6、的特殊疑问式疑问词+did+主语+动词原形？They finished their work at four.AB对划线部分提问对划线部分提问What did they do at four?When did they finish their work?T注意1.外加助动词did后,动词须返回原形。Did he went to school yesterday?Did he go to school yesterday?F2.简略回答用助动词did/didnt代替行为动词。Did he find the boy yesterday?Yes,he did.No,he did not(didnt
7、).巧记动词过去时态巧记动词过去时态动词一般过去时，表示过去发生事；be用was或用were,have,has变had；谓语动词过去式，过去时间坐标志；一般动词加-ed，若是特殊得硬记。否定句很简单，主语之后didnt添；疑问句也不难，did放在主语前；如果谓语之前有did，谓语动词需还原；动词若是was,were,否定就把not添。PRACTISE改写句子：1、Lucy did her homework at home.（改否定句）Lucy _ _ her homework at home.2、He found some meat in the fridge.（变一般疑问句)_ he _ _
8、 meat in the fridge?3、She stayed there for a week.（对划线部分提问）_ _ _ she _ there?4、There was some orange in the cup.（变一般疑问句)_ there _ orange in the cup?didnt do Did find any How long did stay Was anyThats greatBills weekendOn Saturday morning,he.巧手变句型1、Lucy did her homework at home.（改否定句）Lucy _ _ her ho
9、mework at home.2、His father worked all day last Monday.（改一般疑问句）_his father _ all day last Monday?3、I was very busy last week.（改否定句和一般疑问句）I _ very busy last week._ you very busy last week?4、There was some orange in the cup.（变一般疑问句)_ there _ orange in the cup?didnt doThats greatDid workwasntWereWasanystart a conversationwith Rahul?改头换面（句式变化）按要求改写句子。He found a book in the room.否定：_一般疑问句：_特殊疑问句（对a book 提问）_He didnt find a book in the room.Did he find a book in the room?What did he find in the room?
