We played the piano last saturday.改为否定句 I washed my hair yes

We played the piano last saturday.改为否定句 I washed my hair yes 将I have Played the piano Last weekend改为否定句 My brother played basketball last weekend.(改为否定句） I did my homework at home last Saturday.(改为否定句） they were on the farm last saturday.改为否定句 We like playing the piano (改为否定句） My sister likes playing the piano.改为否定句 my sister often plays the piano.改为否定句 I often play the piano. But last Saturday, I visited my gran I played football改为否定句 Last Saturday evening,I played the tennis.错在哪里? We have black hair.改为否定句