1. When I came, it was raining
2. When i dropped the mirror it was breaking
3. While Mark was watching TV, his cat wass eating his beetfsteak
4/ kevin was breaking his leg, while he ewas skiing
5. When my friend phoned me, i was having dinner
6. Has Colin seen this film?
7. Did you visit ...
8. Scientists have discovered
9. Who has given you...
10. Have you ever seen kangarooos?
Past simple:
I went to Paris in 1987
I saw the President last summer
His sister hasn"t finished school yet
Present Perfect:
I have been to Paris already
(And I can tell about the city)
I have never seen the Pyramids
(And I would like to see the place)
I will wait! I obligatory will wait for you.