各位英语专家，请把下面的句子改成被动语态，谢谢！

1 Trees are planted by us in spring.
2 The room will be cleaned by Tom tomorrow.
3 Ten boks were bought for me by my mother last term .
/
I was bought by my mother ten books last term .
4 Teh old clock is being repaired by them .
5 All these books have been read by Peter .
6 How is language learned by people ?
7 This road isn't used by people very often .
8 A big supermarket has been built by them near the airport .

被动词语态的结构： 助动词BE +及物动词的过去分词。
楼主要注意时态哦。

祝你假期愉快！加油！不明白再问！如果帮到你，请采纳，谢谢！

Trees are planted in spring.
The room will be cleaned by Tom tomorrow.
Ten books were bought to me by my mother last term.
The old clock are being repaired by them.
All these books have been redded by Peter.
How is lanuage learned?
This road is not used very often.
A big supermarket has been built near the airport.

Trees are planted by us in spring
The room will be cleaned by Tom tomorrow.
Ten books were brought to me by my mother last term
The old clock are repaired by them.
All there books has red by Peter.
How do language are learned by people?
This road is not used very often by people.
A big supermarket have built by them near the airport