`EX1:`

`1.` have been

`2.`has gone

`3.`have been

`4.`has lived

`5.`have never seen

`6.`have flown

`7.`has just finished

`8.`haven't seen

`9.`have driven

`10.`have just met

`11.`have seen

`12.`have written

`13.`has damaged

`14.`have you ever eaten

`15.`have ever heard

`->` Công thức thì HTHT

`(+)` `S` `+` $have/ has$ `+` `V3`

`(-)`  `S` `+` $have/ has not$ `+` `V3`

`(?)` $Have/ has$ `+` `S` `+` `V3` `?`

`EX2:`

`1.` went
`2.` got

`3.` did go

`4.` didn't go

`5.` had met

`6.` didn't buy

`7.` did leave

`8.` did do

`9.` have begun

`10.` Was

`->` Công thức thì QKĐ:

Động từ thường:

`(+)` `S` `+` $V2/ed$ `+` `O`

`(-)` `S` `+` `didn't` `+` $V_inf$ `+` `O`

`(?)` `Did` `+` `S` `+` $V_inf$ `+` `O`

Động từ Tobe:

`(+)` `S` `+` $was/were$ `+` `O`

`(-)` `S` `+` $was/were$ `+` `not` `+` `O`

`(?)` $Was/were$ `+` `S` `+` `O`

EX 1 :

Present perfect

1. We _________ have been________(be) to the pagoda many times. 2. My sister __________has gone_________ (go)out . 3. We ______have been________ (be)very busy lately. 4. Our present teacher _____________has lived_______ (live)in this city all of his life 5. I ___________have never seen__________ (never/see) that television program 6. We __________have flown___________ (fly) to Hanoi twice since last summer 7. John __________has just finished_____________ (just/finish) his assignment 8. I ______________haven't seen___________(not/see) your brother recently 9. I’m very tired. I ________have driven_____________ (drive) this car since 7a.m 10. You __________have just met__________ (just/meet)her – if you hurry, you will catch her in the street 11. This is the nicest restaurant I _______have seen_________ (see) 12. I _____________have written_________ (write) three letters already 13. This is the fourth time he ___________has damaged______________ (damage) my car 14. _____________have you ever eaten_________________ (you ever eat) Chinese food? 15. She’s got the best voice I _____________have ever heard_________ (ever hear)

Ex 2 :

Past simple

1. I (go)..............went..............to Ben Thanh market last Monday 2. He (get)............got..................up at 7 o’clock yesterday. 3. What time you (go) .........did go............to bed last night? 4. She ( not go).................didn't go.................to work last weekend. 5. Lan (meet)............... had met..................her at the party 3 years ago. 6. Last summer vacation, Mom (not buy).............didn't buy................me a new buy? 7. When he (leave)................ did leave............... for work last week. 8. What you (do)...............did do.................. yesterday? 9. We (begin).................have begun...................to learn English 3 years ago. 10. She (be).................was........................an engineer last week.