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unit 7 language
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广州牛津初中英语七年级下U7现在完成时课件
Unit 7 Language
The Present Perfect Tense
Hello! My name is Helen!
What is Helen preparing for?
Helen: I have cleaned my house with my mother.
She has cleaned her house with her mother.
What is Helen preparing for?
Helen: I have not bought enough foods and drinks.
I will buy more later.
She has not bought enough foods and drinks. She will buy more later.
What is Helen preparing for?
Helen: I have sent many invitations to my friends.
She has sent many invitations to her friends.
What is Helen preparing for?
Helen: I have decorated (装饰）my house.
She has decorated her house.
She is preparing for her birthday party!
I have cleaned my house with my mother.
I have sent many invitation to my friends.
I have decorated my house.
Discussion:
What new structure can you find in these sentences?
have +past participle （过去分词）
I have not bought enough foods and drinks.
I will buy more later.
?
She has cleaned her house with her mother.
She has sent many invitations to her friends.
She has decorated her house.
Discussion:
What new structure can you find in these sentences?
has +past participle （过去分词）
She has not bought enough foods and drinks.
She will buy more later.
The Present Perfect Tense 现在完成时
表示:
过去发生的动作对现在造成的影响或结果。
1. Our guests have arrived.
我们的客人已经来到。（Party 即将开始）
2. She has lived here for ten years.
她在这里住了十年。
2. 从过去某时起持续至今的动作或状态。常与
由for和since引起的表示时间的状语连用。
3. 迄今为止某动作、状态的结局或总和。
3. I have not seen him today.
今天我还没见过他。
The Present Perfect Tense 现在完成时
Form:
I / You / They /…+ have + past participle
He / She / It /… + + past participle
has
I / You / They /… + have not + past participle
He / She / It /… + has not + past participle
我一周没见到你了。
他还没回来。
I haven’t seen you for a week.
He hasn’t come back.
Find the wrong words:
She have gone to the town.
She has gone to the town.
I have send him an email.
I have sent him an email.
They has finished their homework.
They have finished their homework.
Tom not has washed his car.
Tom has not washed his car.
Lily’ ve lost her key.
Lily’ s lost her key.
I / You / They + have + past participle
He / She / It + has + past participle
I / You / They + have not + past participle haven’t
He / She / It + has not + past participle hasn’t
Abbreviations 缩写形式
I’ve you’ve they’ve
he’s she’s it’s Helen’s …..
past
participle
（过去分词）
cleaned, decorated
+ed
bought (buy), sent( send)
irregular verbs (不规则动词）
Past Participle （过去分词）
come- come bring – brought
have/ has（拥有） - had
go – gone understand - understood
Thank You
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