Complete the sentences below with must, have to, need, ought to, can, could, may, might, should, be and their equivalents. 1. Lena is ill. She …… stay in bed. 2. Drivers …… stop when they see a red light. 3. Betty asked her father: «…… I go to the concert tonight?» 4. Nina is free tonight. She …… go to dance. 5. Alec will have an English lesson tomorrow. He …… study tonight. 6. Mark is a good
student. He …… speak English well. 7. There is no ink in my pen. …… I write with a pencil? 8. You …… do what the doctor says. 9. You …… study much if you want to pass the exams well. 10. Little children …… go to bed early. 11. Children under 16 …… not see this film.
D Rewrite the sentence in the passive.
1 They say the fossil is over 60 million years old.
It is said that the fossil is over 60 million years old.
2 A paleontologist has found hair samples from an unknown creature.
Hair samples from an unknown creature have been found by a paleontologist.
3 Locals believe a cat-like beast lives in Black Mountain.
It believed by the locals that a cat-like beast lives in Black Mountain.
4 They called a local zoologist to identify the strange animal.
A local zoologist was called to identify the strange animal.
5 People think the unusual object came from a UFO.
The unusual object is thought to have come from a UFO.
Правило такое: если речь идет об уже свершившемся действии, но без указания когда именно, и оно могло быть совершено и прямо сейчас- используется Present Perfect. Если же речь идет об уже свершившемся действии с указанием конкретного времени или события, которые уже завершились- используется Past simple.
2) A: Have you seen this musical? ( see)
B: Yes , it's great ! I saw it when I was in London last month. (See)
3) A: Have your parents visited your office ? ( visit)
B: Yes, they came last week. ( come)
4) A: Have you had anything to drink? ( have)
B: I had some tea and a glass of orange juice at breakfast. ( have)