Как правильно написать придложения в отрицательной и вопросительной форме? 1) they water the flowers 2) hecleans the cage 3) we feed the dog 4) she walks the puppy

Present simple
отрицательная ф.
1)They don't water the flowers
He doesn't cleans the cage
We don't feed the dog
She doesn't walks the puppy
вопросительная ф.
Do they water the flowers?
Does he cleans the cage?
Do we feed the dog?
Does she walks the puppy?