When I rang up my friend he was sleeping.
When grandfather watches TV he was falling asleep.
When my friend came to see me I was doing my hw.
When I went to the stadium I was meeting Kate and Ann.
When Nick rang me up yesterday I was helping mother.
When the children walked through the wood they were seeing a fox.
When I came home my sister was washing the floor.
И так далее после when ставь past simple, во второй части этого сложного предложения present continuous. Я написала кучу образцов
12.I went to the theatre
13. went
14.did; played
16. played
18. went
19. did you go to Great Britain last year? No I went to France
20. did; translated
2. В)<span> cathedral, hall, underground
</span>10. Б) the film was nice. <span>В) I am invited to the party.</span>
Is Roman writing a letter? - No, I am not.
What are the chefs doing? - They are making pizzas
Are you answering the phone? - Yes, I am.
What are the mechanic doing? - They are fixing my car
Are you working outside today? - No, I am not.
1. up
2. do
3. have
4. on
5. cup
6. past
7. watch
8. goes