2  тонны   -  8  центнеров

Помогите пожалуйста.

Раскройте скобки, употребляя глаголы в Present Continuous. (NOW)

1) The boys (to run) about in the garden.

2) I (to do) my homework.

3) John and his friends ( to go) to the 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). Можно без предложения только открыть скобки.

как определить вид?