1.sat
2.began
3.told.
4.was eating
5.have not seen.
6have heard
7.did not read.
8.was
9.got
10.say
11.have had
12.is not cooking
13.is talking
14.is turning
Is Roman writing a letter? - No, I am not.
What are the chefs doing? - They are making pizzas
Are you answering the phone? - Yes, I am.
What are the mechanic doing? - They are fixing my car
Are you working outside today? - No, I am not.