小学英语一般过去时ppt课件

1、普经过去时第一讲动词变过去式pastnowfuture动词过去式的构成规那么动词regular verbs不规那么动词irregular verbs规那么动词过去式的构成1、普通在动词末尾加、普通在动词末尾加 ed look play start looked played started 2、结尾是、结尾是 e 的动词只加的动词只加 - d live hope uselived hoped used 3.重读闭音节词，重读闭音节词， 先双写这个辅音字母，再加先双写这个辅音字母，再加ed stopplanstoppedplanned4. 以以“辅音字母辅音字母+y结尾的词，结尾的词， 先变先变

2、“y为为“i再加再加ed study worrystudied worried不规那么动词过去式的构成1.过去式与原形一样letlet让让putput (放下放下cut cut砍，剪砍，剪 readread读读letlet让让putput (放下放下2.把元音字母变成“acome camegive gavedrink drankbegin began3.中间去“e 末尾加“tsleep slept keep keptfeel felt 4.把“i变成“oride rodedrive drove5.结尾变成“ought或“aughtthink thought buy boughtbring br

3、oughtcatch caught6.“ow或“aw变成“ewknow knew throw threwdraw drew 7.结尾d变“tbuild builtspend built剩余不规那么动词剩余不规那么动词表剩余不规那么动词表Infinitive Past Tense am, is are do go havemake get Infinitive Past Tense eat say seestand find was were did went had made got ate said saw stood foundPlay Played useusedplanplanneds

4、tudystudiedworryworriedstopstoppedhopehopedputputletletreadreadcutcutcomecamegivegavedrinkdrankbeginbegansleepsleptkeepkeptfeelfeltriderodedrivedrovecatchcaughtthinkthoughtknowknewdrawdrewbuildbuiltdogohavemakeget did went had made got eatsayseestandfind atesaidsawstoodfound普经过去时一定句变否认句 Be动词类 否认句 实义

5、动词类1 be动词类在表示过去存在的形状 的句子中在was, were的后面加上not。如：一定句： He was in the park the day before yesterday.否认句：He was not in the park the day before yesterday.一定句： We were busy last week.否认句：We were not busy last week.2行为动词类要在行为动词的前面加助动词didnt. 然后把动词过去式改为动词原形。即：didnt + 动词原形一定句： She played the violin last night.否

6、认句：She didnt play the violin last night.一定句： They swam in the lake yesterday.否认句：They didnt swim in the lake yesterday.普经过去时否认句练习一定句: They made a kite a week ago.否认句：They didnt make a kite a week ago.一定句： He was ill yesterday. 否认句：He was not ill yesterday.一定句：The cat ate a bird last night.否认句：The ca

7、t didnt eat a bird last night.普经过去时的普通疑问句1.把was, were放在句首，其他位置不变。1 He was born in Shanghai. Was he born in Shanghai? (普通疑问句)Yes, he was. (一定回答) No, he wasnt. (否认回答)2They were in Li Yans home last night. Were they in Li Yans home last night? 普通疑问句Yes, they were. (一定回答) No, they werent. (否认回答)普经过去时普通疑

8、问句及其肯否认回答普经过去时普通疑问句及其肯否认回答练习题练习题They had a good time in the park.普通疑问句：Did they have a good time in the park?一定/否认回答：Yes, they did.No , they didnt.2. Ann did her homework yesterday evening.普通疑问句：Did Ann do her homework yesterday evening?一定/否认回答：Yes, she did.No, she didnt.3. I read an English book la

9、st week.普通疑问句：Did you read an English book last week?一定/否认回答：Yes, I did.No, I didnt.4. My brother was in the park just now.普通疑问句：Was your brother in the park just now?一定/否认回答：Yes, he was.No, he wasnt. Her father _ (read) a newspaper last night. We _(go) to the zoo yesterday. _ you _ (visit) your relatives last Spring Festival? _ he _ (fly) a kite on Sunday? Yes, he _. It _ (be) Bens birthday last Friday