Correct These Sentences

1. I went skating down at the pond and three kids from my school were there. We fell down again, and again. We laughed so much out stomachs hurt.
2. I thought the lopsided game would never end. The score just kept getting worse and worse.
3. Martha thinks she is so cool. She is not cool to me.
4. Joe watched a video his mom had bought for him at the store where she worked.
5. Susan loved to watch football. She would watch it every Sunday on T.V. Every Saturday she would go to the local collage football game. She would always wear the school colors.