一般过去时-专题讲解课件.ppt

1、小学英语小学英语一般过去时态专题一般过去时态专题（一）一般过去时的用法（一）一般过去时的用法1.通常表示过去发生的而现在已经结束的事件、动作通常表示过去发生的而现在已经结束的事件、动作或情况。或情况。Eg.Sam phoned a moment ago.I got up at eight this morning.2.还可以表示刚刚发生的事情而没说明时间。还可以表示刚刚发生的事情而没说明时间。Eg.Did the telephone ring?Who left the door open?3.也可以表示过去的习惯性动作。也可以表示过去的习惯性动作。Eg.I smoked 40 cigarett

2、es a day till I gave up.（二）（二）一般过去时的构成：一般过去时的构成：1.有有bebe的句子的句子 am/iswas arewere eg.肯定句：肯定句：He was a cook 2 years ago.They were at school yesterday.否定句：否定句：He was not a cook 2 years ago.They were not at school yesterday.一般疑问句：一般疑问句：Was he a cook 2 years ago?Yes,he was.No,he wasnt.Were they at school

3、yesterday?Yes,they were.No,they werent.w2.行为动词的一般过去式。行为动词的一般过去式。wA.规则动词的变化规则：规则动词的变化规则：w（1）一般动词直接加）一般动词直接加-edw（2）以）以e结尾的动词直接加结尾的动词直接加-dw（3）以辅音字母加）以辅音字母加y结尾的变结尾的变y为为i再加再加edw（4）以重读闭音节结尾，词尾只有一个辅音）以重读闭音节结尾，词尾只有一个辅音字母，双写最后这个辅音字母，再加字母，双写最后这个辅音字母，再加edwB.规则动词过去式的发音：规则动词过去式的发音：w 在清辅音后读在清辅音后读/t/，在元音和浊辅音后读，在元音

4、和浊辅音后读/d/，在辅音在辅音/t/,/d/后读后读/id/。wC.不规则动词变化需参看不规则动词表逐一不规则动词变化需参看不规则动词表逐一熟记。熟记。(一般和过去分词一起记忆一般和过去分词一起记忆)。wD.基本句式：基本句式：常用时间常用时间常与一般过去时态连用的时间有：常与一般过去时态连用的时间有：yesterdayyesterdayyesterday morning(afternoon,eveningyesterday morning(afternoon,evening)last night (week,month,yearlast night (week,month,year)two

5、 days ago,a week ago,three two days ago,a week ago,three years agoyears agoin 1990,(in 1998in 1990,(in 1998)（三）典型例题（三）典型例题 w-Your phone number again?I _ quite catch it.w-Its 69568442.wA.didnt B.couldnt C.dont D.cant w答案答案A.本句虽没有明确的时间状语，但从语本句虽没有明确的时间状语，但从语意上看出，在听的时候没有听懂这个动作发意上看出，在听的时候没有听懂这个动作发生在过去，因此

6、应用过去时。生在过去，因此应用过去时。PRACTISE改写句子：改写句子：1、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.（变一般疑问句（变一般疑问句)_ 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.（变一般疑问句（变一

7、般疑问句)_ there _ orange in the cup?didnt do Did find any How long did stay Was anyThats great（四）课堂练习 w一一.单选。单选。w1.He usually goes to school by bus,but yesterday he a taxi.w A.takes B.took C.gets on D.got onw2.I some books about Amerian history from our library last week.w A.borrowed B.took C.brought D

8、.lentw3.It was warm,so I my coat.w A.put on B.put up C.took off D.take offw4.The window was open and a bird into my room.w A.flies B.flys C.flyed D.fleww5.Both my parents born in Tianjin and I born in Shanghai.wA.are,am B.was,were C.were,was D.did,did句型转换句型转换w1.Xiao Lin went fishing this morning.（改为

9、一般疑问句）（改为一般疑问句）w w2.We visited our teacher last night.（就划线部分提问）（就划线部分提问）w w3.He had lunch at school.（改为否定句）（改为否定句）w w4.There was some milk in the bottle.（就划线部分提问）（就划线部分提问）w w5.He went to that city with his uncle.（改为一般疑问句）（改为一般疑问句）w 不规则动词表不规则动词表Infinitive Past tenseam is wasare werebegin begunbreak b

10、rokebring broughtbuild builtbuy boughtcan couldInfinitive Past tensecatch caughtcome camedo diddraw drewdrink drankdrive droveeat atefall fellwant -wantedaskaskedvisitvisitedturnturned climbclimbedjumpjumpedsnowsnowed想要想要问问参观参观变变爬爬跳跳下雪下雪live -livedagreeagreedhavehaddodidspendspentsingsanggivegave居住居住同意同意有有做做花费花费唱唱给给telltoldcomecamesaysaidswimswamfind foundgo -wentbecome-became告诉告诉来来说说游泳游泳发现发现去去成为成为