1. John often goes on business trips.
2. She consulted the doctor 3 days ago.
3. They were having breakfast when the phone rang.
4. I’d like to talk to the director. - He’s busy. He is making a business call.
5. They often stay at this hotel.
6. The secretary is talking to the director at this moment.
7. Alice has been cooking Christmas dinner for six hours.
8. We have just bought a new computer.
9. Lenny graduated from University in 2003.
10. The “Philips” has recently sold many new models of TV sets.
11. Sandra Bullock will spend holidays in Egypt next August.
12. The secretary makes calls every day.
13. We were working in the garden at 6 p.m. yesterday
14. Russel will visit his parents in 2 days.
15. My granny has been knitting this scarf since Monday.  

II. If Pete visits us tomorrow, I will speak to him seriously.
If I went to the seaside, I would swim in the sea and lie in the sun. Unfortunately, I can’t take a holiday now.
If Nora had known the English language better she would have got this job last year.
I am not very good at maths. If I knew maths better, I would help you.
If I were you, I would consult a doctor.
If we finish our work early, we will go to the tennis court.
If he had prepared well last year, he would have passed his exams successfully.