英语一般过去时课件.ppt

一般过去时第一讲动词变过去式pastnowfuture规则动词regular verbs不规则动词irregular verbs规则动词过去式的构成1、一般在动词末尾加、一般在动词末尾加– 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， 先先双写双写这个辅音字母，再加这个辅音字母，再加—ed stopplanstoppedplanned4. 以以“辅音字母辅音字母+y”结尾的词，结尾的词， 先变先变“y”为为“i”再加再加—ed study worrystudied worried不规则动词过去式的构成1.过去式与原形一样let→let（让）（让）put→put (放下）放下）cut → cut（砍，剪）（砍，剪） read→read（读）（读）let→let（让）（让）put→put (放下）放下）2.把元音字母变成“a”come camegive gavedrink drankbegin began3.中间去“e” 末尾加“t”sleep slept keep keptfeel felt 4.把“i”变成“o”ride rodedrive drove5.结尾变成“ought”或“aught”•think thought •buy bought•bring brought•catch caught6.“ow”或“aw”变成“”ew•know knew •throw threw•draw drew 7.结尾”d”变“t”•build built•spend built剩余不规则动词剩余不规则动词表剩余不规则动词表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 foundPlay Played useusedplanplannedstudystudiedworryworriedstopstoppedhopehopedputputletletreadreadcutcutcomecamegivegavedrinkdrankbeginbegansleepsleptkeepkeptfeelfeltriderodedrivedrovecatchcaughtthinkthoughtknowknewdrawdrewbuildbuiltdogohavemakeget did went had made got eatsayseestandfind atesaidsawstoodfound一般过去时肯定句变否定句 Be动词类 •否定句 实义动词类1． （be动词类）在表示过去存在的状态状态 的句子中在was, were的后面加上not。

如：肯定句： He was in the park the day before yesterday.否定句：→He was not in the park the day before yesterday.肯定句： We were busy last week.否定句：→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didn’t. 然后把动词过去式改为动词原形即：didn’t + 动词原形肯定句： She played the violin last night.否定句：→She didn’t play the violin last night.肯定句： They swam in the lake yesterday.否定句：→They didn’t swim in the lake yesterday.一般过去时否定句练习肯定句: They made a kite a week ago.否定句：They didn’t make a kite a week ago.肯定句： He was ill yesterday. 否定句：He was not ill yesterday.肯定句：The cat ate a bird last night.否定句：The cat didn’t eat a bird last night.一般过去时的一般疑问句1.把was, were放在句首，其余位置不变。

1） He was born in Shanghai. → Was he born in Shanghai? (一般疑问句)→Yes, he was. (肯定回答) →No, he wasn’t. (否定回答)•（2）They were in Li Yan’s home last night. • → Were they in Li Yan’s home last night? •（一般疑问句）•→Yes, they were. (肯定回答) • →No, they weren’t. (否定回答)一般过去时一般疑问句及其肯否定回答一般过去时一般疑问句及其肯否定回答练习题练习题1.They had a good time in the park.一般疑问句：Did they have a good time in the park?肯定/否定回答：Yes, they did.No , they didn’t.　2. Ann did her homework yesterday evening.一般疑问句：Did Ann do her homework yesterday evening?肯定/否定回答：Yes, she did.No, she didn’t.•3. I read an English book last week.一般疑问句：•Did you read an English book last week?　肯定/否定回答：Yes, I did.No, I didn’t.　。