Нужно перевести предложения из active в passive 1)They can't have left the baby alone in the house.
2)She should have finished her work by now.
3)They could have hidden the missing jewels in the garden.
4)He must have left the dog behind when he stopped for petrol.
5)We should have replaced the batteries sooner.
6)She might have torn your picture by accident.
нужно перевести предложения из passive в active
1)The cat has been found in a tree in a neighbour's garden.
2)Hundreds of trees had been cut down to build a car park.
3)Sorry I can't give you a lift.My car is being repaired.
4)I discovered that my wallet had been stolen.
5)I realized I was being followed by a man.
6)Sam has just been arrested for vandalism.
7)I hope to be selected for the team.
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We expect great difficulties in (delivering) the last lot of goods.
They insist on (discussing) this matter at the next meeting
The Seller guarantees (to correct) all the defects within a week.
I look forward to (seeing) you on Friday.
We were not satisfied with the service they provided, so we refused (to pay) them.
Try to ask Mrs. Jenkins for help. She usually doesn’t mind (dealing) with difficult customers. When she finished (speaking/ to speak) she asked if anyone had any questions.
Our profits are up this year, so I expect my boss (to give) me a pay rise.
Would you mind (ringing) me back later today?
Our British partners agreed (to offer) us a 6% discount if we increased our order.

We expect great difficulties in delivering the last lot of goods. 
They insist on discussing this matter at the next meeting
The Seller guarantees to correct all the defects within a week.
I look forward to seeing you on Friday. 
We were not satisfied with the service they provided, so we refused to pay them. 
Try to ask Mrs. Jenkins for help. She usually doesn’t mind dealing with difficult customers. When she finished to speak she asked if anyone had any questions. 
Our profits are up this year, so I expect my boss to give me a pay rise. 
Would you mind ringing me back later today? 
Our British partners agreed to offer us a 6% discount if we increased our order.