初中英语一般过去时课件(PPT)

行为动词一般过去时的疑问式
一般过去时的特殊疑问式 疑问词+did+主语+动词原形……？ They finished their work at four. B A
对划线部分提问 A: What did they do at four? B:When did they finish their work?
don’t/ doesn’t do/ does
didn’t did
一般过去时的谓语构成：由动词 的过去式构成（参看书本）
规则变化
1.一般加ed work — worked 2.以e结尾加d change — changed 3.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ed . stop — stopped
Fra Baidu bibliotek
主语+didn’t+动词原形
told (tell) them the news I ____ yesterday. didn’t tell them the news. I _________
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did Did+主语+动词原形……？
They finished ______ (finish) their work at fou 一般疑问句: Did they _____ finish their work at ____ didn’t did four? Yes, they _____. No, they _____.
have/ has
had
I get up at 6:30 every morning. got up at 9:00 last Sunday. I ___ He plays football every afternoon. played basketball yesterday He _____ afternoon. He does his homework every evening. did some reading last night. He ____
每天，早餐我吃鸡蛋和牛奶。 I have ____ eggs and milk for breakfast every morning. 昨天，早餐我吃面条。 had noodles for breakfast I ____ yesterday morning. 他每天都吃水果。 has fruit every day. He _____ 昨天他吃了3个苹果。 He _____ had 3 apples yesterday.
一般过去时态
Be动词的过去时态变化
我今年12岁. am 12 years old this year. I ___ 我去年11岁. was 11 years old last year. I ____ 他现在在北京。 is in Beijing now. He ____ 他昨天在上海。 was in Shanghai yesterday. He ____
prefer — preferred
4.以辅音字母加y 结尾的词,先 改 y为 i,再加ed
study — studied 5.不规则变化. do-did am/is-was
用法
在过去某一时间内发生的动作：
He got home at ten o’clock last night.
用于一般过去时的时间状语 1.与last 连用
他们今天在中国。 are in China today. They ____
他们昨天在日本。
were in Japan yesterday. They ____
am/ is are
was were

一、用be动词的适当形式填空 1. I ______ am an English teacher now. was happy yesterday. 2. She _______ 3. They _______ were glad to see each other last month. are good 4. Helen and Nancy ________ friends. is two years old 5. The little dog _____ this year. 6. Look, there ________ lots of grapes are here.
last
night week month Monday
2.与yesterday 连用：
yesterday
morning afternoon evening
the day before yesterday
行为动词一般过去时的否定式
一般过去时的否定式是在动词原形 前加助动词did not (didn’t).
注意
1.外加助动词did后,动词须返回原形。
Did he went to school F yesterday? Did he go to school yesterday? T 2.简略回答用助动词did/didn’t代替 行为动词。 Did he find the boy yesterday? －Yes, he did. －No, he did not (didn’t).
动词原形、第三人称单数 动词过去式
They don’t watch TV in the evening. didn’t watch They _________ TV last night. She doesn’t play basketball after school. She _________ didn’t play basketball after school yesterday. Do you go to school on foot every day? go to school on foot ___ Did you __ yesterday. Does he go to school by bus every day? go Did he ___to ___ school by bus yesterday?