把下面的句子变为被动句.1 Girl students often sing the songs 2 We clean our classroom every day3 People use knies for cutting things 4 Do they teach English in their school?5 He grows beautiful flowers on the farm 6 John repaired the clock yesterday

1.The songs are often sung by girl students.
2.Our classroom is cleaned by us everyday.
3.Knives are used to cut things.
4.Is English taught by them in their school?
5.Beautiful flowers are grown by him on the farm.
6.The clock was reparied by John yesterday.

1.The songs are often sung by girl students.
2.Our classroom is cleaned by us every day.
3.Knives are used for cutting things(by people).
4.Is English taught by them in their school?
5.Beautiful flowers are grown by him on the farm.
6.The clock was repaired by John yesterday.

1The songs are often sung by girl students
2Our classroom is cleaned by us
3Knives are used to cut things.
4Is English taught by them in their school?
5Beautiful flowers are grown by him on the farm.
6The clock was reparied by John yesterday.
自己要多练,加油

1.The songs are often sung by girl students
2.Our classroom is cleaned by us every day.
3.Knifes are used by people for cutting things.
4.Is English taught in their school?
5.Beautiful flowers are grown on his farm.
6.The clock was repaired by John yesterday.