初三英语 主动句 变被动句 ask the students to make a dialogue

要先确定宾语、主语、动词、时间
在原句中的宾语.....在被动语态时要做主语...
而在原句中的宾语要做主语....
再使用被动语态构成构成
一定要分清时态

1.The students are asked to make a dialogue.

or：A dialogue is asked to make by the students.

Students are asked to make a dislogue.
被动结构 BE+DONE

Students are asked to make a dislogue.

The students were
asked to make a dialoge.