Sure! Here are the correct words or phrases for each sentence:

1. If you met Tom Hanks, what **would** you ask him?
2. **Would** Bobby be upset if I didn't invite him?
3. If we mix water and electricity, we **will get** a shock.
4. If you do not pay on time, you **will have to** pay a fine.
5. I always take my umbrella if it **rains**.