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We clean our classroom every day.
Our classroom ______________ every day.
is cleaned by us
主动语态
被动语态
We plant many trees every year.
Many trees _________________ every year.
are planted by us
They play football after class.
Football __________________ after class.
is played by them
完成句子:
1.人们用小刀来切东西。
Knives __________ by people to cut things.
2.他今天没有扫地.
The floor___________by him today.
3.你爸爸每天晚上看报纸吗？
_____newspapers _____ by your father every
night?
are used
isn’t swept
read
一般现在时的被动语态结构:
主语+am / is / are+过去分词+(by~)
Are
肯定句：
否定句：
疑问句：
主语+am/is/are+not+过去分词+(by~)
Am/Is /Are+主语+过去分词+(by~)?