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.