5)
1. flying
2. does he usually stay
3. goes
4. always stays
5. he going
6. studys
7. does he come
8. is finishing
6)
1. Did you go; went
2. were; met
3 called; was
4. Received;
5. did you do; finished; traveled
6. sent; wrote
7. Did they go; watched.
8. Did you finish. gave
