Ex3. Complete the sentences below with the correct tenses. 1. When I (look) ……....…… out of the window, I (see) ……....…… John. 2. When he (lock) ……....…….… the door, he (drop) ……....…… his key. 3. My father (wash) ……....……… his car while my mother and I (water) ……....……… the garden. 4. I (not find) ……....……… my ring yet which I (lose) ……....……… at the party yesterday. 5. While Tom (play) ……....…… tennis, Ann (take) ……....…… a shower. 6. Mike (play) ……....……… on his PC now. How long (I/ play) ……....………….…? 7. When I (work) ……....……… upstairs, the phone (ring) ……....……… . 8. The headmaster (enter) ……....…..… the classroom when they (write) ………...…… their exams. 9. I (fall) ……....…… asleep yesterday when I (watch) ……....….… TV. 10. When I (wake) ……....…… up, the burglar (disappear) ……....……… .