If it rains, I will take an umbrella. If I see a spider, I will scream. If I am hungry, I will eat. If I win the lottery, I will buy a new car. If I am late, I will miss the bus. If I study hard, I will get good grades. If I forget my keys, I will be locked out. If I am tired, I will go to bed.

I will take an umbrella if it rains. I will scream if I see a spider. I will eat if I am hungry. I will buy a new car if I win the lottery. I will miss the bus if I am late. I will get good grades if I study hard. I will be locked out if I forget my keys. I will go to bed if I am tired.