Put the verb into the correct first conditional form

Put the verb into the correct first conditional form: 
1. If I __________________ (go) out tonight, I __________________ (go) to the 
cinema. 
2. If you __________________ (get) back late, I __________________ (be) 
angry. 
3. If we __________________ (not / see) each other tomorrow, we 
__________________ (see) each other next week. 
4. If he __________________ (come), I __________________ (be) surprised. 
5. If we __________________ (wait) here, we __________________ (be) late. 
6. If we __________________ (go) on holiday this summer, we 
__________________ (go) to Spain. 
7. If the weather __________________ (not / improve), we 
__________________ (not / have) a picnic. 
8. If I __________________ (not / go) to bed early, I __________________ (be) 
tired tomorrow. 
9. If we __________________ (eat) all this cake, we __________________ 
(feel) sick. 
10. If you __________________ (not / want) to go out, I __________________ 
(cook) dinner at home. 
11. I __________________ (come) early if you __________________ (want). 
12. They __________________ (go) to the party if they __________________ 
(be) invited. 
13. She __________________ (stay) in London if she __________________ (get) 
a job. 
14. He __________________ (not / get) a better job if he __________________ 
(not / pass) that exam. 
15. I __________________ (buy) a new dress if I __________________ (have) 
enough money. 
16. She __________________ (cook) dinner if you __________________ (go) to 
the supermarket. 
17. They __________________ (go) on holiday if they __________________ 
(have) time. 
18. We __________________ (be) late if we __________________ (not / hurry). 
19. She __________________ (take) a taxi if it __________________ (rain). 
20. I __________________ (not / go) if you __________________ (not / come) 
with me.