初中 英语一般过去式讲解ppt

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一般过去式讲解
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引例:
(a-1) I am in class today. (a-2) I was in class yesterday. (b-1) He lives here now. (b-2) He lived here ten years ago. (c-1) My friends are at home today. (c-2) My friends were at home last night.
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ago.
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• b)动词变化规则
规则变化
1.直接加ed:work—— worked look——looked play——played,
2.以e结尾的单词,直接加d:live ——lived hope——hoped use——used,
3 以辅音字母+y结尾的,变y为i加ed:study—— studied carry——carried worry——worried,
________________________________________________
• 2. Liu Tao skated with with his cousin last Winter Holiday. • 否定句:________________________________________________ • 一般疑问句:____________________________肯、否定回答:____ • 划线部分提问:
• 一般疑问句:__________________________________否定回答:
__________
• 划线部分提问:
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Any Questions?
thank you!
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4 以元音字母+y结尾的,直接加ed:enjoy —— enjoyed play——played
5 以重读闭音节结尾的,双写最后的辅音字母+ed: stop—— stopped plan——planned
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不规则变化:
make-made-made may-might mean-meant-meant meet-met-met must-must pay-paid-paid put-put-put write-wrote-written win-won-won
Thursday.
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• 二、句型转换:
• 1. They played football in the playground yesterday. • 否定句:________________________________________________ • 一般疑问句:_____________________________肯、否定回答:________ • 划线部分提问:
________________________________________________
• 3. My brother showed his stamps to his classmates last week.
• 否定句:________________________________________________
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一般过去式的概念:
• 一般过去时表示过去某个时间里发生的动 作或状态;
• 过去习惯性、经常性的动作、行为;
• 过去主语所具备的能力和性格。
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一般过去式的用法:
• 一般过去时常与表示过去的时间状语或从 句连用
a)时间状语
• Ago(two hours ago(一段时间+ago), yesterday(句子开头或结尾),the day before yesterday,lastweek,last(year,night,month…), 具体时间(如Jan.fourth),just now,at the age of,one day,long ago,once upon a time(很久 以前),and so on,this morning.long long
wk.baidu.com
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BE动词的过去式
单数:
I was you were (一個人) she was he was it was 复数:
we were you were (不只一人) they were
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一般过去式的构成形式
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practise-1
• 一、用动词的适当形式填空 • 1. He ________ (live) in America two years ago. • 2. The boy ________ (listen) to the teacher carefully last week. • 3. We _______ (watch) a Japanese cartoon last Friday. • 4. Nancy ________ (pick) up oranges on the farm last week. • 5. I ________ (pull) up carrot with Mike yesterday. • 6. They ________ (play) chess in the classroom last PE lesson. • 7. My mother _______ (cook) a nice food last Spring Festival. • 8. The girls _______ (dance) at the party last Wednesday . • 9.The students ________ (study) very hard last month. • 10. My parents _____ (plan ) to have a good weekend last
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