`1.` A lot of money is spent on advertising every day.

`2.` This room may be used for the classroom.

`3.` A story is going to be told by the teacher.

`4.` The cake is being cut by Marry with a sharp knife.

`5.` The women with a red hat were looked at by the children.

`6.` My hat used to be pulled over my eyes.

`7.` For last for years, all my washing has been done by hand.

`->` Cấu trúc câu bị động:

`-` thì Hiện tại đơn: S + am/is/are + Ved/V3 + (BY  O)

`-` thì Tương lai gần: S + am/is/are + going to + be + Ved/V3 + (BY  O)

`-` thì Quá khứ đơn: S + was/were + Ved/V3 + (BY  O)

`-` Động từ khuyết thiếu: S + ĐTKT + be + Ved/V3 + (BY  O)

`-` thì Hiện tại hoàn thành: S + have/has + been + Ved/V3 + (BY  O)

`1.` A lot of money is spent on advertising every day

`->` thì htđ: S+be+V3/ed (thì htđ)

`2.` This room may be used for the classroom

`->` S+ động từ thiếu khuyết+ be+V3/ed (động từ khuyết thiếu)

`3.` A story is going to be told by the teacher (thì httd)

`4.` The cake is being cut by Marry with a sharp knife

`->` S+be+being+V3/ed (thì httd)

`5.` The women with a red hat were looked at by the children

`->` S+was/were+V/3/ed (thì qkđ)

`6.` My hat was used to pulled over my eyes

`->` S+was/were+V3/ed (thì qkđ)

`7.` For last for years, al my washing has been done by my hand

`->` S+ have/has+been +V3/ed (thì htht)