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How is it grown?
It is planted on the side of mountains.
They are picked by hand and then are sent for processing.
Read the sentences below, paying attention to the underlined parts.
被动语态 (Passive Voice)
结构: be + V-p.p.
am / are / is + 动词的过去分词
一般现在时的被动语态:
Grammar Focus
1.Are your shirts made of cotton?Yes,they are.And they were made in the US.
2.What's the model plane made of?It's made of used wood and glass.
3.Where is tea produced in China?It's produced in many different areas.
4.How is tea produced?Tea plants are grown on the sides of mountains.When the leaves are ready,they are picked by hand and then are sent for processing.
Active Voice:People grow tea in Hangzhou.
Passive Voice:Tea is grown(by people)in Hangzhou.
Many people speak English.
主动句与被动句之间的转换
English is spoken by many people.
主语 谓语动词 宾语
主语 be+动词的过去分词 介词+ 宾语
顺口溜：宾变主，主变宾，by短语后面跟。谓语动词 变被动，be后“过分”来使用。
People play football all over the world.
2. The old man on TV tells a story on Sunday.
3. Students listen to the kind teacher carefully.
Football is played by people all over the world .
A story is told by the old man on TV on Sunday.
The kind teacher is listened to by students carefully.
把下列的主动句变为被动句。
1) Sunglasses __________ (use) for protecting people’s eyes.
2) A picture _________ (put) up on the blackboard.