1.My mother cleans the floor every day.

->The floor is cleaned every day by my mother

2.People have used the Internet all over the world.

->The Internet has used all over the world.

3.We are planting many trees in school garden.

->Many tree are being planed by us in school garden.

4.Some one has taken my book away.

->My book has been taken away.

5.He didn’t help me with my home work.

->I wasn't helped with my home work by his.

Ex2

1.Many flowers are watered by my father every day.

->My father waters many flower every day.

2.English has been learned by us for 3 years.

->We have learned English for 3 years.

3.This car was made from Japan ten years ago.

->Japan made this car 10 years ago.

4.Our teeth should be cleaned every day.

->We should clean our teeth everyday.(He,she,..)

5.This building was built two years ago.

->They built this building two years ago.(He,she,we,..)

basafi 1:

1.The floor is cleaned by my mother everyday

2.The interned has (been) used all over the world

3.Many trees are being planted in school garden

4.My book has been taken away

5. I wasn't helped with my homework.

bài 2:

1.My father waters many flowers everyday

2.We have learned English for 3 years

3.Japen made this car 10 years ago

4.We should clean our teeth everyday

5.They built this building 2 years ago