用a happy weekend 写一篇短文

I had busy and happy weekend! On Saturday morning, I went to the part with my friends, we rowed a boat in the river, there were many beautiful butterflies. On Saturday afternoon, I visited my grandparents and helped them clean their room. On Sunday morning, I went to the zoo, I saw many great elephants there. On Sunday afternoon, I stayed at home and listened to music with my parents. My weekend was very busy, I was tired, but I felt very happy!
我是一名英语老师,从题目看,你想要的是用过去时态写的,你看这作文可以吗?^_^