什么是语态？简单的说，就相当于语文中的把字句和被字句，语态实际上是说句子的主语和宾语之间的位置关系，主动还是被动。
一：语态的分类：主动语态和被动语态。
二：概念：主动语态是指主语是动作的执行者，宾语时动作的承受者。反之，被动语态是指主语是动作的承受者。
三：被动语态长啥样？
1：The flower are watered everyday.
2: The house was bought yesterday.
3:The cat is being fed by its mother.
4: The thief has been caught by the police.
5:The boy was being washed his hands at this time yesterday .
6:Will the robots be used to work in space ?
7:Kids should be given more free time .
8:The thief had been caught when I came back.
四：总结，被动语态的基本结构
Be+过去分词（be动词在不同的时态中用不同的形式）
五：被动语态特殊情况：
1：被动语态的谓语动词必须是及物动词或词组。
The kids are taken good care of by their teacher.
2:变被动语态时要加to 的情况
I saw the teacher go to the office.（改为被动语态）
The teacher was seen to go to the office.
My mum made me clean my bedroom.（改为被动语态）
I was made to clean my bedroom (by my mum).
I heard the baby cry. （改为被动语态）
The baby was heard to cry (by me).
总结：当宾语补主语时不带to的不定式，变为被动语态时要加to.如：feel ,hear, see, notice, observe ,watch ,made .
3:主动形式表示被动的意义。
The food tastes good.
The pen writes well.
The clothes sell well.
总结：有些动词虽然是主动形式，但是表示被动意义，如：
Look ,taste ,sound ,smell, feel ,wash, read, clean, cut, sell, ,wear ,draw,
write等。
熟能生巧环节：
1：.The air in cities will be further polluted unless some measures_____.
A.will be taken B .are taken C. were taken D .had been taken
选B。主句中为一般将来时，unless引导条件状语从句用一般现在时表示将来，而“措施”应该是“被采取”，用被动语态。如果不采取措施，城市的空气就会进一步受到污染。
2.When I got to the cinema, the film ____for ten minutes.
A. has begun B. had begun C. had been on D. was
选C。在这个时间状语从句中，主句谓语动词的动作发生在从句谓语动作之前，即“电影开演了十分钟”在“到达电影院”之前，故主句谓语动词应该用过去完成时，又因为时间状语是for家时间段，begin这个动作无法延续，所以用be动词加上副词on来表示动作的延续。
3：——Have you moved into the new house?
——No yet ,the rooms_____,
A. are being painted B. are painting
C .are painted D. are being painting
选A：这题考的是现在进行时的被动语态，rooms是复数，故用：are +being+过去分词。
4.In some parts of the world ,tea _____with milk and sugar.
A .is serving B .is served
C. serves D .served
选B:这题一看很明显，考被动语态，主语tea和动词serve的关系是被动，且是不可数名词，故用：is +过去分词。
5：The Chinese Communist Party _____in Shanghai in 1921.
A.was found B. found C .was founded D .founded
选C：主语Party和动词的关系是被动，故用：was+过去分词。found成立，过去分词是founded.切记，和find 的过去式要分清意思。。。
我是湖北小高，谢谢阅读。
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