Tóm Tắt Ngữ Pháp Tiếng Anh (p1)

A.      Simple tenses
Present simple ( hiện tại đơn): subject + present verb
Diễn tả hành đông xảy ra ở hiện tại, sự thật hiển nhiên, thói quen, lịch trình tàu xe.
ex : the bus departs at 9:10am
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I live
He/she/it lives
We live
You live
They live
I don’t live
He/she/it doesn’t live
We don’t live
You don’t live
They don’t live
Do i live?
Does he/she/it live?
Do we live?
Do you live?
Do they live?

Past simple( quá khứ đơn): subject + past verb( verb2)
Diễn tả hành động xảy ra ở quá khứ có thời gian xác định
ex: He travelled to Newyork last year
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I lived
He/she/it lived
We lived
You lived
They lived
I didn’t live
He/she/it didn’t live
We didn’t live
You didn’t live
They didn’t live
Did I live?
Did he/she/it live?
Did we live?
Did you live?
Did they live?
 
Present perfect( hiện tại hoàn thành): subject + past participle ( verb3)
Diễn tả hành động đã xảy ra trong quá khứ nhưng chưa kết thúc, nó còn kéo dài tới hiện tại 
ex: she have work abroad since 1999
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I have lived
He/she/it has lived
We have lived
You have lived
They have lived
I haven’t live
He/she/it hasn’t lived
We haven’t lived
You haven’ lived
They haven’t lived
Have I lived?
Has he/she/it lived?
Have we lived?
Have you lived?
Have they lived?

B.      Continuous Tenses
Present  continuous(hiện tại tiêp diễn): subject + am/is/are + v-ing
diễn tả một hành động đang diễn ra ở hiện tại
ex: my friends is sitting on the grass and having a picnic
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 I am watching
He/she/it is watching
We are watching
You are watching
They are watching
I’m not watching
He/she/it isn’t watching
We aren’t watching
You aren’t watching
They aren’t watching
Am I watching?
Is he/she/it watching?
Are we watching?
Are you watching?
Are they watching?

Past continuous( quá khứ tiếp diễn) :subjet + was/were + v-ing
diễn tả diễn biến hoặc trình tự của sự vật sự việc nào đó  ở thời điểm quá khứ(nhấn mạnh tính tiếp diễn)
ex : i was swimming in the sea when the rain started
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I was watching
He/she/it was watching
We were watching
You were watching
They were watching
I wasn’t watching
He/she/it wasn’t watching
We weren’t watching
You weren’t watching
They weren’t watching
Was I watching ?
Was he/she/it watching?
Were we watching?
Were you watching?
Were they watching ?

Present perfect continuous( hiện tại hoàn thành tiếp diễn): subject + has/have + been + v-ing
diễn tả hành động đã xảy ra ở quá khứ nhưng còn tiếp tục ở hiện tại và kéo dài tới tương lai
ex : my sister has been learning English for 5 years
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I have been watching
He/she/it has been watching
We have been watching
You have been watching
They have been watching
I haven’t  been watching
He/she/it hasn’t been watching
We haven’t been watching
You haven’t been watching
They haven’t been watching
Have I been watching?
Has he/she/it  been watching?
Have we been watching?
Have you been watching ?
Have they been watching?

C.      Past
Past perfect ( quá khứ hoàn thành) : subject + had + past participate (verb3)
diễn tả một hành động đã kết thúc (A)  trước một hành động khác(B), hành động B có thời gian cụ thể trong quá khứ chia quá khứ đơn, hành động A chia quá khứ hoàn thành.
ex : every newspaper and TV channel in the USA wanted to interview Neil Armstrong after he had landed on the moon.
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I had played
He/she/it had played
We had played
You had played
They had played
I hadn’t  played
He/she/it hadn’t played
We hadn’t played
You hadn’t played
They hadn’t played

Had I played?
Had he/she/it played ?
Had we played ?
Had you played ?
Had they played ?

Past perfect continuous( quá khứ hoàn thành tiếp diễn) : subject + had + been + v_ing
Diễn tả hành động kéo dài liên tục đến một hành động khác trong quá khứ
ex :The journalists had been waiting for over an hour by the time the Pressident arrived at the palace.
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I had been playing
He/she/it had been playing
We had been playing
You had been playing
They had been playing
I hadn’t been  playing
He/she/it hadn’t been playing
We hadn’t been playing
You hadn’t been playing
They hadn’t been playing
 Had I been playing?
Had he/she/it  been playing?
Had  we been playing?
Had you been playing?
Had they been playing ?

Used to : subject + used to + infinitive( verb nguyên mẫu)
diễn tả thói quen hoặc trạng thái đã từng có trong quá khứ.
ex: when i was child, i like to eat candies.

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I used to play
He/she/it used to play
We used to play
You used to play
They used to play
I didn’t used to play
He/she/it didn’t used to play
We didn’t used to play
You didn’t used to play
They  didn’t used to play
Did I used to play?
Did he/she/it used to play ?
Did we used to play ?
Did you used to play?
Did they used to play ?