First Conditional:
When/If summer comes , I am very happy.
When/If I study , I take good marks.
When /If its very cold, we must wear jackets.
Second Conditional:
When/If you run with your shoestring solved , you fall down.
When/If you closed the door, cat's not tucked in.
When /If you saw to the street if te car comes, you can you go across.
Third Conditional:
If I had taken that taxi , I wouldn't had waiting 1 hour.
If I had fixed my car , it would had works.
If I had buy a telephone , I would had talked with my mother.