1. Students mustn't use their phones in classrooms. 2. I'll be late tomorrow. I have to go to the doctor. 3. You worked all day. You must be tired. 4. Can you turn the volume down? 5. That has to be Sue's umbrella, but I'm not sure. 6. I might go to the party but I haven't decided yet. 7. Sorry, I don't understand. I can't have to speak Spanish. 8. In some countries, you have to have an identity card. 9. My father could play the violin by the time he was ten. 10. You can't have to board the plane without a boarding pass. 11. This information might be correct. Please check it. 12. He can be French by the looks of his elegant suit. 13. You never know. Tomorrow can be a better day. 14. That can't be John at the door. He's in Milwaukee right now! 15. You shouldn't have so much ice cream. It's not good for you.
1. Students mustn't use their phones in classrooms. 2. I'll be late tomorrow. I have to go to the doctor. 3. You worked all day. You must be tired. 4. Can you turn the volume down? 5. That has to be Sue's umbrella, but I'm not sure. 6. I might go to the party but I haven't decided yet. 7. Sorry, I don't understand. I can't have to speak Spanish. 8. In some countries, you have to have an identity card. 9. My father could play the violin by the time he was ten. 10. You can't have to board the plane without a boarding pass. 11. This information might be correct. Please check it. 12. He can be French by the looks of his elegant suit. 13. You never know. Tomorrow can be a better day. 14. That can't be John at the door. He's in Milwaukee right now! 15. You shouldn't have so much ice cream. It's not good for you.
Объяснение:
Ex. 1. Choose the letter of the correct answer.
1) He was exhausted as he ... all day long.
A) was working
B) has been working
C) had been working
2) Yesterday after I ... a nice programme on TV, і started doing my home exercises.
A) have seen
B) had seen
C) had been seeing
3) The bus wasn't there, it ... already.
A) had been left
B) had left
C) has left
4) How long ... each other when they got married?
A) had they known
B) have they known
C) did they know
5) George ... many cars before he received his mechanic's licence.
A) has repaired
B) had repaired
C) had been repairing
6) Chef Jones ... the restaurant's fantastic dinners for two years before he moved to Paris.
A) has been preparing
B) had prepared
C) had been preparing
7) Christine ... to an Art Gallery before yesterday.
A) has never been
B) had never been
C) never was
8) Nick ... good French because he had been studying this language for several years.
A) spoke
B) had spoken
C) has spoken
9) Shakespeare would be famous even if he ... «То be or not to be...».
A) had not written
B) had not been writing
C) has not written
10) When I met them yesterday they were wet as they ... in the rain.
A) were walking
B) have been walking
C) had been walking
Объяснение: