1. the student wrote english test at the lesson. 2. the teacher asks me at every lesson. 3. they will publish this book next week. 4. ann looks after her brother tom 5. we received many letters. 6. we discussed some problems. заменить действующий залог на страдательный

1. English test was written by the students at the lesson.
2. I am asked by the teacher at every lesson.
3. This book will be published by them next week.
4. Ann's brother Tom is looked after by Ann.
5. Many letters were received by us.
6. Some problems were discussed.