<span>1 When did you leave school?
2. How long has she been feeling unwell?
3. I've </span><span><span>never </span>met such a nice person before.
4. I have been waiting for you since four o'clock.
5. She has never written a letter by hand since she bought a computer.
6. I wonder where you have been all this time.
7. I have been learning English for five years.
8. You never know how he is going to react.
9. She has tripped over the cat and </span><span><span>nearly </span>fell over.
10. Look! I have found a ten-pound note! - Where did you find it?
11. Margaret is taking driving lessons now.
12. In recent years terrorism has become a greater threat.
13. The rain came suddenly and it has soaked all the washing.
14. Ever since we met, you have never asked me what I prefer to do.
15. How long have you lived here?
16. I have been interested in sports since my childhood.
17. What have you been doing since you left Cambridge? </span>
If употребляется в придаточном предложении, а would в главном.
Didn't get on
has never flown
have worked
are waiting
travel, are flying
will arrive
did you book
were you doing
isn't busy, she will visit
travels
2.nednt
3.mustnt
4.dont have to
5.mustnt
6.musnt
7.dont have to
8.nednt
We are going to be on a mountain.
I am going to be in the city
He is going to be on a сamping trip
My bad is going to be in a bussiness trip
My sister is going to be in a college.