2. I have waited for 2 hours, but she hadn't come yet.

3. They have lived in HCM city since 1978.

4. She had read all the books written by John. How many books you have read ?

5. She hadn't been here since last month. I wonder where she lived then.

6. Mary has gone to USA for a holiday. He has (never) been there.

7. This is the third time she has used this machine.

8. He has written a novel for 2 years, but he hasn't finished it yet.

9. Mary has lost her hat and she is looking for it until now.

10. I have seen that film several times because I like it.

11. He is the most honest person I have ever met.

12. Mary has just gone out with her friends.

$\text{1.}$ have you studied ( for 5 years / how long ) 

$\text{2.}$ have waited/hasn't came ( for 2 house , yet ) 

$\text{3.}$ have lived ( since 1978 ) 

$\text{4.}$ has read/have you read 

$\text{5.}$ hasnt been/has lived ( since last month, since then ) 

$\text{6.}$ has gone/has never been 

$\text{7.}$ has used ( this is the first time ) 

$\text{8.}$ has written/hasn't finished ( for 2 years , yet ) 

$\text{9.}$ has lost/is looking ( now ) 

$\text{10.}$ have seen ( several times ) 

$\text{11.}$ have ever met ( ever ) 

$\text{12.}$ has just gone out ( just ) 

→ S + has/have + Vpp + O 

→  S + has/have + not + Vpp + O 

→  Has/have + S + Vpp + O ? 

$#Keisha$