#1.
1 My book is lying on the table.
2 They are working.
3 The doctor and her patient are talking.
4 We are cooking dinner. My mother is making a salad.
5 A young man is driving a car. He is listening to music.
6 My grandfather is reading a book.
7 The pen is lying in the floor.
8 Are you having a break?
9 She is still singing.
#2.
1 We are writing.
2 They are not reading.
3 She is not working.
4 Are you watching?
5 He is not reading.
6 They are not playing the piano.
7 I am not baking a cake.
8 She is nit singing.
9 Her sister is not sleeping.
10 Isn't grandmother drinking tea?
11 Are your friends drinking coffee?
12 She is working at the desk.
13 I am writing a letter.
14 I am doing an exercise.
15 Boys are not swimming in the pool.
16 Are they playing football?
17 My sister is mopping the floor.
18 My friend is helping her child.
19 Are you helping your father?
20 Students are reading an interesting story.
21 She is reading a book.
21 She is going to school.
22 Are they reading?
23 Is your grandmother eating candies?
24 John is cooking dinner.
25 Bill is running in the park.
#3
Is Peter is going to the cinema? - Yes ,he is.
Are they playing a game? - No, they are not.
Is she listening to the radio? - Yes, she is.
Am I dreaming? - Yes, you are.
Are they packing their bags? - No, they are not.
Are you doing the washing-up? - Yes, I am.
Are we talking too fast ? - No, you aren't.
Are they cleaning the windows? - Yes, they are.
Is she watching the news? - No, she isn't.
Are you pulling my leg ? - Yes, I am.