What can we do to save power?
What can we do to reduce pollution?
Step2grammar
将下列句子改为被动语态。

1) His father will mend his bike.
2) John didn’t finish the homework.
3) Did Mike watch the new movie yesterday
4) Are the students going to plant trees tomorrow?
1. 被动语态的一般将来时的概念
被动语态的一般将来时用来描述将要发生的动作。

e.g. He will be/is going to be taken to hospital in a few minutes.
他几分钟之内就会被送到医院。

The food will be /is going to be eaten by the dog soon.
这些食物马上就会被狗吃掉。

2. 被动语态的一般将来时的构成
过去分词主语will be/ be going to
be
I will be /am going to
be supported.
You /We /They will be /are going
to be
He /She/It will be /is going to
be
注意：主语是第一人称时，被动语态的一般将来时也可以
用“shall be+动词的过去分词”来表达。

Step3 do more exercises
1. 我们可以通过缩短淋浴时间来节约用水。

2. 为了节约电力，当我们离开房间时应该把灯关掉。

3. 好习惯能够帮助减少污染。

4. 对我们来说养成环保的生活方式很重要。

5. 遵循这些小步骤，你可以对地球产生大影响。

6. 当电视和电脑不用时，我们应该关掉电源。

Step4study skills
W= word usage mistake
P = punctuation mistake
S = spelling mistake。