change the following sentences into passive voice
đổi những câu sau thành giọng bị động
1 i clean the floor evary day
2 my mother bought this dress this morning
3 she did this exercise two days ago
4 they will send him abroad to study
5 she used this room
6 someone stole my bike yesterday
7 he received a letter from his parents
8 she will buy a new house
9 they aren't building my house
10 hecould solve the math problem easily
11 my mother waters these flowers every morning
12 nam invited hoa to his birthday party last night
13 her mother is preparing the dinner in the kitchen
14 we should clean our teeth twice a day
15 our teacher has explained the problem care fully
16 they are going to buy this house
17 he will visit his parents next month
18 the director didn't phone the secretary this morning
19 nam broke the window yesterday morning
20 they were doing the test at 3 p.m yesterday
1 i clean the floor evary day
The floor is cleaned everyday
2 my mother bought this dress this morning
This dress was bought this morning by my mother
3 she did this exercise two days ago
This exercise was done by her 2 days ago
4 they will send him abroad to study
He will be sent abroad to study
5 she used this room
This room was used by her
6 someone stole my bike yesterday
My bike was stolen yesterday
7 he received a letter from his parents
A letter from his parents was received by him
8 she will buy a new house
A new house will be bought by her
9 they aren't building my house
My house isn't being built
10 hecould solve the math problem easily
The math problem could be solved easily by him
11 my mother waters these flowers every morning
These flowers are watered by my mother every morning
12 nam invited hoa to his birthday party last night
Hoa was invited to Nam's birthday party last night
13 her mother is preparing the dinner in the kitchen
The dinner is being prepared in the kitchen by her mother
14 we should clean our teeth twice a day
The dinner is being prepared in the kitchen by her mother
15 our teacher has explained the problem care fully
The problem has been explained carefullt by our teacher
16 they are going to buy this house
This house is going to be bought
17 he will visit his parents next month
His parents will be visited by him next month
18 the director didn't phone the secretary this morning
The secretary wasn't phoned by the director this morning
19 nam broke the window yesterday morning
The window was broken by Nam yesterday morning
20 they were doing the test at 3 p.m yesterday
The test was being done at 3p.m yesterday
