(3)
1. This student don’t know
2. We shan’t go to
3. We didn’t this work
4. I didn’t took
5. Russia isn’t
(4)
1. When your working day begins?
2. What are you doing now?
3. Did your friend visited you yesterday?
4. When will they go to Moscow?
5. Who is he?
(5)
1. We went for a walk (past indefinite)
2. We will go for a walk (future indefinite)
3. We are going for a walk (present continuous)
4. We will going for a walk (future continuous)