Complete the second sentece so it means the same as the first, using passive forms.
1. They were painting their room yesterday.
Their room... .
2. We've turned on the radio.
The radio... .
3. I'll send you a letter.
A letter... .
4. They aren't doing their hometask.
Their hometask... .
5. They have to wash the floor.
The floor... .
6. They haven't read this book yet.
This book yet.
7. They are going to build a house.
A house... .

1. Their room was being painted yesterday.
Explanation: The verb "were painting" in the active voice is changed to "was being painted" in the passive voice. The subject "they" becomes the object ("their room") and takes the position before the verb in the passive voice.

2. The radio has been turned on.
Explanation: The verb "have turned on" in the active voice is changed to "has been turned on" in the passive voice. The subject "we" becomes the object ("the radio") and takes the position before the verb in the passive voice.

3. A letter will be sent to you.
Explanation: The verb "will send" in the active voice is changed to "will be sent" in the passive voice. The subject "I" becomes the object ("a letter") and takes the position before the verb in the passive voice.

4. Their homework isn't being done.
Explanation: The verb "aren't doing" in the active voice is changed to "isn't being done" in the passive voice. The subject "they" becomes the object ("their homework") and takes the position before the verb in the passive voice.

5. The floor needs to be washed.
Explanation: The verb "have to wash" in the active voice is changed to "needs to be washed" in the passive voice. The subject "they" becomes the object ("the floor") and takes the position before the verb in the passive voice.

6. This book hasn't been read yet.
Explanation: The verb "haven't read" in the active voice is changed to "hasn't been read" in the passive voice. The subject "they" becomes the object ("this book") and takes the position before the verb in the passive voice.

7. A house is going to be built.
Explanation: The verb "are going to build" in the active voice is changed to "is going to be built" in the passive voice. The subject "they" becomes the object ("a house") and takes the position before the verb in the passive voice.