1, Solar panels will be put on the roof of our house to get power.

2, A test will be taken on sources of energy by us.

3, New class will be installed in the window to stop heat escaping by my dad.

4, A lot of money will be spent on heating by people in Viet Nam.

5, Energy from the sun, the wind, and the water will be used by people in developing countries.

6, A talk about saving energy will be given by Jenny.

7, Solar panels will be put in the playground by Helen.

8, Cracks in water pipes will be checked by Susan.

9, Low energy light bulbs will be used in the classroom by Jake.

10, A film on types of renewable energy sources will be showed by Kate.

`@` Form : (câu bị động)

`-` Công thức chung : Be + PII 

`-` Công thức riêng :

`+` TLĐ : S + will + be + PII(+ by + O)

`+` Động từ khuyết thiếu : S + động từ khuyết thiếu + be + PII (+by + O)

`+` HTĐ : S + am/is/are + be + PII (+by + O)
....(mình chỉ nêu một số thì đơn giản và có trong bài thôi nhé!!!)

HỌC TỐT!~