- I can’t. I … (not/finish) doing my homework yet.

2) Susan … (watch) TV for four hours, now.
- Yes. She should probably take a break!

3) … (Jane /do) her chores for the evening?
- Almost, she still has to do the washing up.

4) How long … (you/wait) for the bus?
- Well, I … (be) here since 5 o’clock.

5) Jeff looks really tired.
-Yes, he does. I think he… (play) tennis all afternoon.

6) What time .. (you/have) dinner with Sara tonight?

7) I … (not/have) any cash on me at the moment. Can I pay by credit card?

8) Asel (look for) her necklace now.

2.

1) James Watt was a famous inventor and mechanical engineer

2) For Steam engine and other improvements on steam engine Watt received his first patent in 1769.

3.

1) Who did Watt work for?

2) How old was Watt when he started working?

3) What was Watt's profession?

4) Before you started to work with Watt on this profession?

5) What is Watt interested in?

II.

1) Этот вопрос легко обсуждать. Это очень просто.

2) Для нашего эксперимента необходимо вскипятить воду. Тогда она будет чистой.

3) При работе с химическими веществами следует соблюдать осторожность.

2 we are tired- we were tired3 am i late? -was i late?4 we are on the lesson- we were on the lesson5 she is at home- she was at home 6 the are actresses- they were actresses7 i am not angry- I was not angry8 it is cold- it was cold9 how are you? - how were you? 10 how is she? - how was she?11. What’s the time? - what was the time?12. It’s five o’clock - it was five o'clock13. He’s sad - he was sad14. She’s sixty - she was sixty15. They’re from Germany - they were from G...16. It’s very difficult - it was very difficult17. Is it very expensive? - was it very expensive?18.I’m glad to meet him-i was glad to meet him19. He’s sick - he was sick 20. Is she beautiful? - was she beautiful? 21. We aren’t at work - we were not at work22. You’re a student - You were a student