Question

英语 把以下主动句变被动句

1. He understands my meaning.

2. the policeman removed his hat.

3.the living problem may trouble students.

Answer 1

My meaning is understood by him.
His hat was removed by the policeman.
Students may be troubled by the living problem.
时态及句型结构(被动语态）：
一般现在时 am/is/are +v-ed.(过去分词）
一般过去时 was/were +v-ed.
一般将来时 will be +v-ed.
现在进行时 am/is/are being +v-ed.
过去进行时 was/were being +v-ed
现在完成时 have/has been +v-ed.
过去完成时 had been +v-ed.
情态动词 can/may/must be +v-ed.

Answer 2

My meaning is understood by him

HIs hat is removed by the policeman

Studens may be troubled by the living problem