Question

daca rezolvati tot va dau coroana :)))

Answer 1

A. 

2. Tom has lost weight
3. Bill has broken his leg.
4. My sister has lost her pen.
5. Mary has gone in France
6. Mr. Hill has been in London.
7. Mrs. Smith has bought a lot of packages.
8. I have eaten too much.
9. Mrs. Jenkins hasn't cleaned the house.
10. Tony has worked hard this year.

B.
1. ...because he has hurt his leg.
2. ...because I have lost the key.
3. ...because I have seen the film
4. ...because I haven't put the stamp on it.
5. ...because he has eaten too much.
6. ...because they haven't saved money
7. ...because I have met him before.
8. ...because we haven't heard from him.
9. ...because he has given up smoking.
10. ...because he has locked the door.

Present Perfect Tense:
$\left \{ {{have/has} \atop {haven't / hasn't}} \right.$ + Verb (3rd form)

When to use have/has:
I have
You have
He/she has
We have
You have
They have