1. are running
2. am doing
3. are going
4. is sitting
is studying
5. is standing
is smoking
6. is the old man walking
7. is lying
8. are you having
9. are you studying
10. is lying
11. are they talking
12. is raining
1. are running
2. am doing
3. are going
4. is sitting
is studying
5. is standing
is smoking
6. is the old man walking
7. is lying
8. are you having
9. are you studying
10. is lying
11. are they talking
12. is raining