Английский ( 0,1,2,3 условные предложения)

I didn't feel good yesterday. If I had felt better, I would have come to class yesterday.
I don't feel good today. If I felt better, I would take a walk in the park today.
I have a cold today, but I will probably feel better tomorrow. If I feel better tomorrow, I will go to class.
I'm sorry that you didn't come to the party. If you had come, you would have had a good time.
I didn't know that Bob was sick. If I had known that he was sick, I would have taken him some chicken soup.
I'm tired. If I were not tired, I would help you.
Snow is predicted for tomorrow. If it snows tomorrow, I will stay home.
I may have a dollar. Let me look in my wallet. If I have one, I will lend it to you.
I don't have any money. If I had a dollar, I would lend it to you.
I didn't have a dollar yesterday. If I had had a dollar yesterday, I would have lent it to you.
Why didn't you tell me when your plane was supposed to arrive? If you had told me, I would have picked you up at the airport.