用被动语态分别造一般现在时、现在进行时、一般过去式、现在完成时、过去进行时 、一般将来时各造一个句子

一般现在时：am/is/are + v.过去分词 + by sb. e.g. Pens often are used by us.(原句 We often use pens.)
现在进行时：am/is/are + being +v.过去分词 + by sb. e.g. Their classroom is being cleaned by them.(原句 They are cleaning their classroom.)
一般过去时：was/were + v.过去分词 + by sb. e.g. A new car was bought by him last month.(原句 He bought a new car last month.)
现在完成时：have/has been + v.过去分词 + by sb. e.g. My homework has been finished by me.(原句 I have finished my homework.)
过去进行时：was/were + being + v.过去分词 + by sb. e.g. An English book was being read by her.(原句 She was reading an English book.)
一般将来时：will be + v.过去分词 + by sb. am/is/are going to be + v.过去分词 + by sb. e.g. ① His homework will be done by him.(原句 He will do his homework.)
② His homework is going to be done by him.(原句 He is going to do his homework.)

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