将下列句子变成被动语态的句子吧,如1.He often helps them.2.She took me to the hospital yesterday

1.He often helps them.They are often helped by him.
2.She took me to the hospital yesterday.I was taken to the hospital by her yesterday.
3.A lot of people speak English in the world.English is spoken by a lot of people in the world.
4.Tom will sweep the floor tomorrow.The floor will be swept by Tom tomorrow.
5.They are building a new school in the village.A new school is being built by them in the village.