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If we… , we … by the police.
There are also…
Nature is …
We … to live, so it is … for us ….
Luckily , we are …from …
These new types… and will …
Moreover, they…
Today is 5 June, … What … for …? Remember that ….
Passive voice in the simple present
and past tenses
What is done by people in Switzerland to protect the environment?
Litter is separated into different groups.
Some of the clothes are sent to factories for recycling.
be done
1. We speak English.
2. We clean the classroom.
3. She closed the window.
4. He wrote a letter last night.
5. I looked after the baby just now.
English is spoken by us.
The classroom is cleaned by us.
The window was closed by her.
A letter was written by him.
将下列句子改为被动语态
The baby was looked after by me just now.
1.Which language _______the most widely_______（speak）in the world？
2.Last year a large number of trees______________（cut）down．
3. The students _____ often _____(tell) to take care of their desks and chairs. 4. The old man is ill. ____ he______ (send) to the hospital. 5. Vegetables, eggs and fruits_________ (sell) in this shop. They _______(sell) well. 6. What _______ knives ______ (make) of ? They_______________(make) of metal(金属) and wood.
is spoken
were cut