我想你应该要问的是What did you do last weekend?
last weekend ,i was very busy .At the saturday ,I went to visit my grandparents,we had a very good time .I was very happy.I backed home in the evening .At the sunday ,I go swimming with my gaad friends,the water in the poor was very warm ,it is very comfortable .In a word ,I had a wonderful weekend .
因为不知道你要什么级别的,就写了一个简单的,仅供参考,希望可以帮到你.