一般现在时的被动语态
先预习P36 Grammar Focus朗读一般现在时态的被动语态的句子，体会和揣摩其结构和运用。 自学P151-152 被动语态（Passive Voice）。 一、语态的概念及分类
1. 概念：语态是______词的一种形式，表示句子中主语和谓语动词的关系。 2. 分类：_______语态和________语态
主动语态表示主语是动作的______________。 eg. He helps his friend. 被动语态表示主语是动作的______________。 eg. His friend is helped by him.
二、被动语态的构成
构成：_______________________________________。
注意：1. 助动词be 有__________, _______和___________的变化。
2.________动词才有被动语态，某些不及物动词加上相应的介词，如：look after, think of, take care of,
work out, laugh at等，也可用于被动语态。 eg. He is looked after well by his parents.
三、主动语态变被动语态的方法
主动语态： Many people speak English.
被动语态: English is spoken by many people. 1.将主动语态的_______语作被动语态的_______语
2.谓语动词变为“_______________”， 时态要与原句保持_________(不变/ 变)。
3.主动语态的________语变为介词by的________语，放在被动语态里谓语动词后，by 短
语可省略。
口诀：宾变主，主变宾，谓变be done , 时不变，数格必须随被变。
主动语态：He buys me a present.
被动语态: A present is bought to me by him./ I am bought a present by him. 主动语态：I write him a letter.
被动语态: A letter is written to him by me./ He is written a letter by me.
双宾语，很奇特，被动语态有两个，用人简单用物难，难在人前to, for添
四、被动语态的基本用法
1. 需要强调动作的_________时 eg. Water is needed very much by the crops here. 2. 不知道或没必要指出动作的__________时 eg. Sandy was invited to a party after school.
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一般现在时态的被动语态专项练习
一、单项选择
（ ）1. Usually computers __________ to search the Internet.
A. use B. are using C. are used
（ ）2. Trees and flowers ___________ every year to make our country more beautiful.
A. clean B. cleans C. are cleaned
（ ）3. Today Chinese __________ by more and more people around the world.
A. speak B. is spoken C. are spoken
（ ）4．—Make sure all the lights __________ when you leave the room.
—OK, I will.
A. turn off B. are turned off C. are turned on
（ ）5. The baby __________by his grandma.
A. is looked after B. are looked after D. look after
二、用动词的正确形式填空
1. The Great Wall ____________ (know) all over the world. 2. A storm ______ often ________ (follow) by a calm. 3. Some newspapers __________ (publish) once a week.
4. English is very popular. It ____ widely _______ (use) in many fields.
三、完成句子
1. 你的衬衫是棉的吗？ ____ your shirts ________ ____ cotton? 2. 是的，而且它们产于美国。 Yes. And they were _________ ___ the US. 3. 飞机模型是由什么制成？ ______ the model plane ______ of ?
4. 它是由旧木头和玻璃制成。 It’s made of _____ _________ and ___________. 5. 茶产自中国哪里？ _______ ____ tea ___________ in China? 6. 茶产自很多不同的地区。 It’s produced in many ________ _______. 7. 茶是如何制成的？ ________ is tea _____________?
8. 茶树种植在山坡上。当茶叶长成后，它们被手工采摘下来，然后送去加工。
Tea plants ______ ___________ on the sides of the mountains. When the leaves are ready, they _____
_________ by hand and then ______ ______for _________. 9. 在杭州人们种植茶叶。
People_______ ________ in Hang Zhou.
Tea _____ ________ (by people) in Hang Zhou.
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