Sentence Correcting

I went skating down at the pond. Three kids from my school were there. We fell down again and again. We laughed so much our stomachs hurt.

I thought the lopsided game would never end. The score just kept getting worse and worse.

Martha thinks she is so cool, but she is not cool to me.

Joe watched a video. That his mom bought it for him at the store where she worked at.

Susan loved to watch football and she would watch it every Sunday on T.V. Every Saturday she would go to the local college football game. She would always wear the school colors.