I. Rewrite sentences, using the words given. Keep the meaning unchanged.

1.   They have phoned their friend since 7p.m.

  They started……………………......................................................................

2.  I started to learn English 4 years ago.
I have ………………………………………..

3.     I started to listen to the song three minutes ago.
  I have.....................................................................................

4. I started staying here in 2006.
  I have..........................................................

5.  She has written to me for five years.
She began..................................................

6. I started to do that puzzel an hour ago.
I have …………………………………………………………

7.   They began working in this shop 9 years ago.
 They have................................................................................

8.    I began to play Piano in 2009.
             I have..................................................................

9.  They have taught in this school since 2007.        
           They started......................................................................

10.              They began building this house 2 months ago 

They have ………………………………………………………………… 

11.              My father started to work in this factory last week 

My father has……………………………………..………………… 

12.              He started learning English when he was 18. He has …………………………………………………….………………