3. Present Perfect :
1. Mrs.Diep has helped her students.
--> Mrs. Diep's students have been helped by Mrs. Diep
2. Miss Linh hasn't mailed the package yet.
--> The packahe hasn't been mailed by miss linh yet.
3. Have your students learned their lesson well.
-->Have the students's lesson been learned well by them?
4. Future :
1. Mr.John will do the work.
--> The work will be done my mr. john
2. The result won't amaze you.
--> You won't be amazed by the result
3. Will the news shock him?
--> Will he be socked by the news?
4. Who will clean our classroom
--> Our class will be cleaned by whom?

3. Present Perfect :
1. Mrs.Diep has helped her students.
--> Mrs. Diep's students have been helped by Mrs. Diep
2. Miss Linh hasn't mailed the package yet.
--> The packahe hasn't been mailed by miss linh yet.
3. Have your students learned their lesson well.
-->Have the students's lesson been learned well by them?
4. Future :
1. Mr.John will do the work.
--> The work will be done my mr. john
2. The result won't amaze you.
--> You won't be amazed by the result
3. Will the news shock him?
--> Will he be socked by the news?
4. Who will clean our classroom
--> Our class will be cleaned by whom?

1. Simple Present :
1. The teacher help us.
--> We are helped by our teacher.
2. Mr.Phuoc helps An.
--> An is helped by Mr. Phuoc.
3. My mother helps me.
--> I am helped by my mother
4. My sister doesn't help them.
--> They aren't helped by my sister.
5. Who helps her?
--> She is helped by whom?
2. Simple Past :
1. The teacher wrote this sentences.
--> This sentences were written by the teacher
2. Mrs.Truc helped him.
--> He was helped by Mrs. Truc
3. Mrs.Hanh didn't help us.
--> We weren't helped by mrs. hanh
4. Did Miss Thu teach you ?
--> Was you taught byMiss Thu?
5. Who bake this cake? .
--> This cake was baked by whom?