mn giúp em voi ạ

i:

`1.` have already seen

`2.` has worked `-` started

`-` for sixteen years `-` HTHT

`-` ten years ago `-` QKĐ

`3.` Have you ever met `-` sat

`-` last summer `-` QKĐ

`4.` did you start`-` have recently completed `-` asked

`_______________________`

`***` QKĐ:

`+` Tobe:
`(+)` S + was/were + N/adj

`(-)` S + was/were + not + N/adj

`(?)` Was/were + S + N/adj?

`*` I/ he / she / it / DTSI + was

`*` you / we / they / DTSN + were

`+` Verb:
`(+)` S + V2/ed + O
`(-)` S  + didn't +  V_inf + O

`(?)` Did + S +  V_inf + O?
`-` DHNB: last + week/month/... , yesterday, ago , ...

`***` HTHT: 

`(+)` S + has/have + V3/ed + O

`(-)` S + has/have + not + V3/ed + O

`(?)` Has/Have + S + V3/ed + O?

`1`.A: Last night , I saw(see ) the latest James Bond film.

       B: Oh , I have already seen ( already / see) it twice .

`2`.A: Do you know that Mrs Janet has worked ( work ) here for sixteen years ?

       B: I thought she started (start) working here ten years ago.

`3`.A:Have you ever met( you / ever / meet ) anyone famous ?

   B: Yes , last summer I sat (sit) next to Brad Pit on a plane to LA.

`4`.A : How long ago did you start  (you / start )painting ?

    B : Ten years ago . I  have recently completed ( recently / complete) a painting that the National Gallery asked ( ask) me to do a year ago.

`-` Form Thì Hiện tại hoàn thành:

(+)S + have/ has + V3/ed + (O)

(-)S + have/ has + NOT +  V3/ed + (O)

(?)Wh-Have/ Has + S + V3/ed + (O)?

`-` Form Thì Quá khứ đơn:

(+)S + V-ed/ V2 +(O)

(-)S + did not + V-inf +(O)

(?)Wh-Did + S + V-inf+(O)