Exercise 2:

1. has bought

2. has borrowed 

3. has given

4. have downloaded

5. have said

6. haven't met

7. haven't packed

8. haven't made

Exercise 3:

1.had

2.has you been->have you been

3.readed-> read

4.Do-> have hoặc lived->live

5.paint-> painted

6.have ate->has eaten

$Answered$ $by$ $Mai$ $Chi$$.$

`2` has borrowed

`3` has given

`4` have downloaded 

`5` have said 

`6` haven't met 

`7` haven't packed 

`8` haven't made

Cấu trúc thì HTHT 

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

(-) S + hasn't / haven't+ Vpp+ ..

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

Ex 3 .

`1`  Have `->` do

`2` has `->` have 

`3` readed`->` read 

`4` Do `->` Have

`5` paint `->` painted 

`6` ate `->` eaten