If the weather ever warms up so that we can swim, and if we can find new suits that we like and that we can afford, then we will know what we will be doing with the time that we have free from school because we need to do things together that we enjoy in order to remain the good friends that we are.

Rewrite this sentence from the lesson as two or three sentences so that it is clearer to the reader. Keep the ideas, but you may change the wording and sentence structure as needed.

We will know what we will be doing with our free time from school if the weather gets warmer and we can find new swimsuits that we like and can afford. It's important for us to do activities we enjoy together to maintain our strong friendship.