Uzupełnij zdania odpowiednim okresem warunkowym (zerowym lub pierwszym):

1. If I (eat) chocolate, my stomach (hurt).
2. If she (find) your pen, she (call) you.
3. I (tell) Ben about it if I (see) him tomorrow.
4. If I (have) problems with my computer, I always (call) my brother.
5. If he (win) this lottery, he (get) plenty of money.
6. I always (have) cold feet if I (not/wear) warm socks.
7. If you (press) this button, the machine (start) working.
8. If I (finish) my homework, I (lend) you my dictionary.
9. She (not/visit) you tomorrow if you (not/give) her your address!
10. I (be) late to work if my train (not/come) soon!