人教版初中英语八年级上册Unit 1 Section A Grammar focus 3a—3c(共27张PPT)
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一般过去时态
什么是一般过去时?
动词的一般过去时态表示过去某个时间 发生的动作或存在的状态。
所有时态都是通过
动词
变化来表现的
Please look at the sentences
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 ____
谓语构成一般过去时以动词的过去式 来表示
was , were 1.动词 be 2.动词 have, has had 3.助动词do, does did 4.行为动词用过去式(规则和不规则的)
注意: 过去式没有人称和数的变化 (was,were除外) I went to school yesterday. They went to school yesterday.
用于一般过去时的时间状语
1.与ago 连用: a moment two minutes three hours five days one week six months four years
ago
2.与last 连用
last
3.与yesterday 连用:
time night week month term Monday
I ____ told (tell) them the news yesterday.我昨天告诉了他们消息 didn’t tell them the news I _________ yesterday.我昨天没有告诉他们
主语+didn’t+动词原形
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 four. 一般疑问句: Did they _____ finish their work at four? ____ didn’t did Yes, they _____. No, they _____.
一般过去时的特殊疑问式
yesterday
morning afternoon evening
the day before yesterday
4.与one 连用: morning evening one day Monday afternoon 5.与that 连用: morning winter day year
that
特殊疑问词+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?
study — studied 5.不规则变化.(见不规则动词表)
用法
1.表示过去某一时间内发生的动作,常和 过去时间状语连用 He got home at ten o’clock last night. 2.表示过去经常或反复发生的动作, 常与often,always等表示频率的 副词 及过去时间状语连用: I often got up very early at that time.
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
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.
6.其他时间状语:
just now in the old days in those days in 1980 the other day at that time once upon a time
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).
行为动词的过去式有规则变化和 不规则变化
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
prefer — preferred
4.以辅音字母加y ቤተ መጻሕፍቲ ባይዱ尾的词,先 改 y为 i,再加ed
。
3.表示已故人所做的事情。
Comrade Lei Feng did good deeds in his life. 雷锋同志做了一生的好事。 4.表示过去连续发生的动作时,要用过 去时。这种情况下,往往没有表示过去 的时间状语,而通过上下文来表示。
Miss Liu got up at seven o’clock this morning, dressed, had breakfast, and went to work.
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 ____ 行为动词的过去式有规则变化和 不规则变化
什么是一般过去时?
动词的一般过去时态表示过去某个时间 发生的动作或存在的状态。
所有时态都是通过
动词
变化来表现的
Please look at the sentences
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 ____
谓语构成一般过去时以动词的过去式 来表示
was , were 1.动词 be 2.动词 have, has had 3.助动词do, does did 4.行为动词用过去式(规则和不规则的)
注意: 过去式没有人称和数的变化 (was,were除外) I went to school yesterday. They went to school yesterday.
用于一般过去时的时间状语
1.与ago 连用: a moment two minutes three hours five days one week six months four years
ago
2.与last 连用
last
3.与yesterday 连用:
time night week month term Monday
I ____ told (tell) them the news yesterday.我昨天告诉了他们消息 didn’t tell them the news I _________ yesterday.我昨天没有告诉他们
主语+didn’t+动词原形
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 four. 一般疑问句: Did they _____ finish their work at four? ____ didn’t did Yes, they _____. No, they _____.
一般过去时的特殊疑问式
yesterday
morning afternoon evening
the day before yesterday
4.与one 连用: morning evening one day Monday afternoon 5.与that 连用: morning winter day year
that
特殊疑问词+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?
study — studied 5.不规则变化.(见不规则动词表)
用法
1.表示过去某一时间内发生的动作,常和 过去时间状语连用 He got home at ten o’clock last night. 2.表示过去经常或反复发生的动作, 常与often,always等表示频率的 副词 及过去时间状语连用: I often got up very early at that time.
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
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.
6.其他时间状语:
just now in the old days in those days in 1980 the other day at that time once upon a time
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).
行为动词的过去式有规则变化和 不规则变化
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
prefer — preferred
4.以辅音字母加y ቤተ መጻሕፍቲ ባይዱ尾的词,先 改 y为 i,再加ed
。
3.表示已故人所做的事情。
Comrade Lei Feng did good deeds in his life. 雷锋同志做了一生的好事。 4.表示过去连续发生的动作时,要用过 去时。这种情况下,往往没有表示过去 的时间状语,而通过上下文来表示。
Miss Liu got up at seven o’clock this morning, dressed, had breakfast, and went to work.
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 ____ 行为动词的过去式有规则变化和 不规则变化