1
making water, air, atmosphere dirty and dangerous for people and animals to live in.
pollution
Nina has been learning / has learned English for two years.
Nina has been learning English for two years.
I (make) cakes for the party all morning. - How many cakes you (make) ? - I (make) 200.
I have been making cakes for the party all morning. - How many cakes have you made? - I have made 200.
I (help) him if you (do) the same.
I shall help him if you do the same.
Jack (do) his homework when his father (come) home from work.
Jack was doing his homework when his father came home from work.
Translate from Russian into English:
Я не привык к холоду, закройте окно, пожалуйста!
I'm not used to cold. Close the window, please!
The birds have already flown / have been flying to the South.
The birds have already flown to the South.
After I (find) the wallet full of money, I (go, immediately) to the police and (turn) it in.
After I found the wallet full of money, Iimmediately went to the police and turned it in.
Jack told the policeman, "I have lost my identity card."
Jake told the policeman that he had lost his identity card.
He wanted to know what (become) of the books.
He wanted to know what had become of the books.
My father (use) to repair his car once a year.
My father used to repair his car once a year.
They have known him for many years.
When I (get) to the cinema, the film (already, start).
When I got to the cinema, the film had already started.
When I (be) older I (buy) a car.
When I am older I will buy a car.
I said to Jack, "Please give me your passport."
I asked Jack to give me his passport.
The firemen (rescue) the old woman who (be) trapped on the third floor of the burning building.
The firemen rescued the old woman who was trapped on the third floor of the burning building.
Mike has forgotten / has been forgetting to learn the poem.
Mike has forgotten to learn the poem.
They promised that they (bring) us all the necessary books.
They promissed that they would bring us all the necessary books.
Ask general and special questions:
John and Richard have just gone away.
Have John and Richard just gone away?
Who has just gone away?
Make passive sentence:
They grow coffee in Kenya.
Coffee is grown in Kenya.
"I think we'll have a bicycle trip the day after tomorrow," Suzy said.
Suzy said she thought they would have a bicycle trip the day after next.
The children have been watching / have watched cartoons for two hours.
The chidren have been watching cartoons for two hours.
Bicycles must not (leave) in the hall.
Bicycles must not be left in the hall.
John (use) to go to the swimming pool every day last year.
John used to go to the swimming pool every day last year.
Make a passive form:
They are destroying the forests in Indonesia.
The forests in Indonesia are being destroyed.