英语一般过去时ppt课件.ppt

1、一般过去时的用法与结构详解时态和时间 表示：pastnowfuture动词过去式的构成规则动词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 （掌握）（掌握） look walkpaintplay cleanvisitwantcoughwatch look ed walked painted play ed cleaned visited wanted coughed watched 2、结尾是、结尾是 e 的动词只加的动词只加 - d (了解了解) live hope uselived hoped used

2、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 stopPatstoppedPatted (掌握掌握)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 WorryEarlyHappyStudy- ied Worry -iedEarly- ied Happy -ied不规则动词过去式的构成1.过去式与原形一样(了解)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“

3、a”come came（掌握）give gaveBecome becamedrink drank（了解）begin began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 see was were did went had made got ate said saw 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 w

4、as 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didnt. 然后把动词过去式改为动词原形。即：didnt + 动词原形肯定句： She played the violin last night.否定句：She didnt play the violin last night.肯定句： They swa

5、m in the lake yesterday.否定句：They didnt 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 didnt 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 didnt eat a bird last night.一般过去时的一般疑问句1.把was, were

6、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 wasnt. (否定回答)一般过去时一般过去时 1一般过去时一般过去时表示过去某个时间发生的动作或存在的状态，常和表示过去的时间状语连用。 Yesterday(昨天)， ago（很久以前) last night（昨天晚上）， last week (上周) Last Sunday（上周日） in 1990 just now （刚才） （2）They were in Li Yans home last

7、 night. Were they in Li Yans home last night? （一般疑问句） Yes, they were. (肯定回答) No, they werent. (否定回答)一般疑问句及其肯否定回答一般疑问句及其肯否定回答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 didnt.2. Ann did her homework yesterday evening.一般疑问句：Did Ann do

8、 her homework yesterday evening?肯定/否定回答：Yes, she did.No, she didnt. 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 didnt.4. My brother was in the park just now. 一般疑问句： Was your brother in the park just now?肯定/否定回答：Yes, he was.No, he wasnt.

9、一般过去时练习题 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. We all _ (have) a good time last night. He _ (live) in Wuxi two years ago. The cat _ (eat) a bird last night.readwentDidvisitwashadlivedateDidflydid