1) she plays the piano 2) we watered flowers yeterday 3) you will swim tomorrow 4) they have some books мне нужно задать вопросы к ним и сделать отрицание!

Does she play the piano? She doesn't play the piano.
Do we watered the flowers yesterday? We don't watered the flowes yesterday.
Will you swim tomorrow? You will not swim tomorrow.
What do they have? They don't have some books.