Fill in the blanks with the correct form of the verbs in parentheses.

1. If you ________ (drop) an apple, it ________ (fall) to the ground.
2. If I ________ (have) enough money next year, I ________ (buy) a new car.
3. If I ________ (have) wings, I ________ (fly) to the moon right now.
4. If we ________ (leave) the house earlier this morning, we ________ (not / miss) the train.
5. If she ________ (see) him tomorrow, she ________ (give) him your message.
6. If plants ________ (not / get) enough water, they ________ (die).
7. If he ________ (know) it was your birthday yesterday, he ________ (send) you a gift.
8. If I ________ (be) the President, I ________ (make) university education free for everyone.
9. You ________ (get) wet if you ________ (not / take) an umbrella; it's starting to cloud over.
10. If they ________ (lock) the gate properly last night, the dog ________ (not / escape).