`1.` have seen (Thì HTHT, dấu hiệu already)

`2.` went (Thì QKĐ, dấu hiệu last month)

`3.` Have you ever done (Thì HTHT, dấu hiệu ever)

`4.` have had (Thì HTHT, dấu hiệu so far)

`5.` did (Thì QKĐ)

`6.` have lived (Thì HTHT, dấu hiệu for more than 50 years)

`7.` bought (Thì QKĐ, dấu hiệu ago)

`8.` Did you see (Thì QKĐ, dấu hiệu last night)

`9.` have read (Thì HTHT, dấu hiệu twice)

`10.` didn't play (Thì QKĐ, dấu hiệu yesterday)

@ `Ly`

`1` have seen

`2`  have gone

`3`  Have you ever done

`4` have had

`5` has done

`6` have lived

`7` bought

`8`did you see

`9` have read

`10` didn't play

Cấu trúc : 

Thì HTHT ( 1,2,3,4,5,9) 

(+)S + has / have + Vpp+ ...

(-) S + hasn't  / haven't  + Vpp+ ..

(?) Has / Have + S + Vpp+ ..

Thì QKD ( còn lại )

(+) S +Ved / V2 + ...

(-) S + didn't + V ...

(?) Did + S + V ...?