Условные предложения второго и третьего типа (mixed) this room's freezing because the fire has only just been lit. if it(be lit) this morning, as i suggested, the room (be) warm enough to sit in now.i overslept; that's why i'm half an hour late, and if my phone (not ring) at nine o'clock i might still be in bed. why are you in such a bad temper? --because i've been waiting for 40 minutes in an icy wind. if you (wait) 40 minutes in an icy wind you (be) bad-tempered too

1) The building of the trade centre began a month ago.

2) It was bitterly cold yesterday. I

put on my warm coat but I caught a cold still.

3) The postman brought the morning mail only at 10 o'clock.

4) I saw you the other day coming out of the library with a stack of books. Are you preparing for the exams?

5) We had a picnic yesterday, but the rain spoiled the whole pleasure.

6) You went to the South when you was a child?

7) As soon as I came up, they got into a taxi and went away.

8) What sights you saw when yon were in Egypt?

9) Every winter Nick went to the Swiss Alps to ski.

10) He came in, took off his hat, moved a chair to the table and joined the conversation.

11) When he arrived? — The plane was delayed and he came two hours later.

12) How much your bag costed ? — I paid $80 for it.

1.  I'm tired.i don't think I will go out tonight (future simple потому что: Я не думаю,что ВЫЙДУ в будущем)

2. We are leaving tomorrow at 5 p.m.(present progressive ,так как действие запланировано)

3. There is a good film on.Are you going to watch it? (to be going to ,потому что ты спрашиваешь собирается ли он)

4. I am meeting Jane at 9 in the morning (present progressive ,так как действие запланировано)

5. If the weather does not change we'll go skiing (present simple так как 0 тип условных предложений)

Объяснение: