1) 1.Having, 2.Has, 3.Leaves, 4.Driving, 5.Teach
2) Do you often wear jeans?- Yes, I do
Are you wearing jeans now?- No, I'm not
Is it rain now?- Yes, It is
Does it often rain in your country?-No, It doesn't
Do you study English every day?-No, I don't
Are you studing English at the moment?- Yes, I'm
3)1. write, 2. does, 3. is doing, 4. is sleeping, 5.sleep, 6. are reading, 7. do read, 8. Does cook.
4) 1.flows, 2. always complain, 3. walk, don't take, 4. always borrow, 5.is increasing, 6.doesn't eat, 7. Do you cook, 8. are becoming, 9. i'm walking, 10. is, is shaving, 11.slam,shout, 12.takes.