Ex3.b.1. I’ve been reading this page four times and I still don’t understand it all!

2. He’s in hospital because he’s had an accident.

3. Ouch! I’ve cut my finger.

4. My mother’s making sandwiches – she’s been cutting bread all morning.

5. Great news! You’ve won the competition!

6. James has known his wife since he was a child.

7. I’ve been reading this book since eight o’clock, and I still haven’t finished!