$\text{1.}$ The grammar has to be learnt hard by us.

$\text{17.}$ The floor is often sweeps by her every morning.

$\text{18.}$ The exercise can't be done.

$\text{19.}$ They knew that the car was stolen by him.

$\text{20.}$ He will be able to be met by her.

$\text{21.}$ The family is going to be visited by him.

$\text{22.}$ New word must be practiced by you everyday.

$\text{23.}$ English has to be learnt by us every night.

$\text{24.}$ Plumbing must be improved at the village.

$\text{25.}$ Coffee used to be drunk by her at night.

$\text{26.}$ Cows can be raised at Duc Linh.

$\text{27.}$ Has she ever been met by you?

$\text{28.}$ Who can the exercises be done?

$\text{29.}$ What is being done by you?

$\text{30.}$ Vegetables are going to be grown in the garden by him.

`text{1.The grammar has to be learnt hard by us}`

`text{17.The floor is often sweeps by her every morning}`

18.The exercise can't be done

`text{19.They knew that the car was stolen by him}`

20. He will be able to be met by he

`text{21.The family is going to be visited by him}`

`text{22.New word must be practiced by you everyday}`

`text{23.English has to be learnt by us every night}`

`text{24.Plumbing must be improved at the village}`

`text{25.Coffee used to be drunk by her at night}`

26. Cows can be raised at Duc Linh

`text{27.Has she ever been met by you}`

`text{28.Who can the exercises be don}`

29. What is being done by you

30. Vegetables are going to be grown in the garden by him