II . Complete the sentences. 1.The boys (to run) about in the garden. 2. I (to do) my homework. 3. John and his friends (to go) to his library. 4. Ann (to sit) at her desk. She (to study) geography. 5. A young man (to stand) at the window. He (to smoke) a cigarette. 6. The old man (to walk) about the room. 7. The dog (to lie) on the floor. 8. You (to have) a break? 9. What language you (to study)? 10. Who (to lie) on the sofa? 11. What they (to talk) about? 12. It still (to rain)?
1. are running
2. am doing
3. are going
4. is sitting
5. is standing / is smoking
6. is walking
7. is lying
8. Are you having a break?
9. What language are you studying?
10. is lying
11. What are they talking about?
12. Is it still raining?
Объяснение:
We/they/you + are + глагол с окончанием "ing"
he/she/it + is + глагол с окончанием "ing"
I + am + глагол с окончанием "ing"