You must do it later是什么时态?变被动语态怎样变?

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• You must do it later是什么时态?变被动语态怎样变?
• 主动语态变被动语态一、 把下列句子变成被动语态：1.They used recorders in English class.2.Have you posted the letters yet?3.Can you do it tomorrow?4.They must build another house to live in.5.He is writing a book for children.6.The teacher told the children a story.7.He will give you an excuse when you ask him to help you.二、 把下列句子变成主动语态（用括号里的词作主语）：1.This song is often sung.(girl)2.These photos were taken on the Great Wall.(Mr.Brown)3.The room is being cleaned.(the boys)4.A sh
• You must do it later是什么时态?变被动语态怎样变?
• 把下列句子变被动语态1.She often speaks English after class.2.They give the presents to them.3.We can do the work tomorrow.4.I showed them my new photos.5.He made his daughter learn the words by heart.6.Jim must send the boys to the hospital.7.You may pay 56 dollars for the coat.8.Mybrother lent her some new books.9.They will stop us from going there by car.10.I saw him take some weets out of her mother‘s bag.
• 将主动语态变被动语态、被动语态变主动语态.1.The students clean the classroom every day.2.Mary's room must be kept clean.3.She gave me twenty yuan last week.4.Hangzhou produces silk.5.I saw a man go into the room just now.还有3道题目：1.You can't see the stars in the daytime.2.A present was bought for me by my sister.3.Must I do all the exercises?如果能写出每个句子的（主谓宾）就更好了。
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