Write present perfect continuous forms. 

1. I'm bored It (rain) for hours so I can't go out.

2. (You/use) my computer again?

3. My neighbour's children (argue) all morning.

4. You (not study) for the maths exam.

5. Mel looks really tired. (She/work) all night?

6. The kitchen's a mess because we (make) a birthday cake for Dad.

7. I (read) an interesting book about the history od computers.

8. Jim (not do) his homework. He's been training with his friends.