what have you done for your parents

小学初中水平：低年级可不用过去式
When the Chinese New Year is coming, I am on my winter holiday, but my parents are still work.There are many housework to do,before the New Year , When the sun was shining , I help my mum carry the covers in the sun.I cleaned all of the windows in my apartment, and I put all my things tidily in my room.Sometimes I went to the market to buy food, sometimes I cooked for my family.I was very tired,but at that time, I knew how hard my parents are, they have to work and take care of our family.I am going to help more with the housework