3 Complete the exchanges with might, could, needn't, ought to, don't have to.
1. :
A: You
sign Joe's birthday card.
B: OK. I'll do it right after the meeting is
over.
2 A: You
have typed the
report. Sheila had already done it.
B: I wish you'd told me!
3 A: Why isn't Chloe in the office yet?
B: She
have missed the bus.
4 A: You ...
... work overtime
this weekend.
B: That's a relief!
5 A: Bill's a great photographer, isn't he?
B: Yes, he
when he was only five.
use a camera​

1) If you BOIL water, it  TURNS to steam. 
2) If I WERE an astronaut, I WOULD TAKE the photos of Turkey from space. 
3) If you PUT a stone in the water, it GOES down. 
4) If you PUT oil into water, it FLOATS. 
5) If there WERE no water onearth, we WOULDN'T EXIST. 
6) If you WERE a bird, where WOULD you FLY to? 
7) Anna WILL PASS the test if she STUDIES hard enough. 
8) If you HEAT ice it MELTS. 
9) I WOULDN'T DO that if I WERE you. 
10) If he GETS any worse, I WILL TAKE him to the doctor's. 
11) If the snow GETS any worse, we WILL HAVE TO stop walking. 
12) If ice MELTS, it TURNS to water.

If I had seen Gerry at the meeting, I would have asked her. – Если бы я встретила Джерри во время собрания, я бы спросила ее. (Но я не встретила ее и не спросила).
If I had seen Tom at the meeting, I could have asked him. – Если бы я встретил Тома на собрании, я смог бы спросить его. (Но его там не было, и поэтому это было невозможно). 
If I had seen him at the meeting, I might have asked him. – Если бы я встретил его на собрании, я мог бы спросить его. (Но я не уверен. Я бы спросил лишь при удобном случае) 
If I had paid more attention in class, I would have understood the lesson.- Если бы я был более внимателен во время урока, я бы понял урок.
He wouldn`t have let him get away with that. - Он бы не спустил ему это с рук (если бы он попробовал сделать то же самое со мной).