I do my homework 改为否定句 She does her homework 改为否定句 为什么这样改

I do my homework 改为否定句 She does her homework 改为否定句 为什么这样改 she does her homework in the evening改为否定句 she does her homework in the evening.改为否定句 She does her homework in the cvening.(改为否定句) She does her homework at home.(改为否定句） She does her homework on Saturday.改为否定句 she does her homework aftir shool改为否定句 My sister does her homework on weekends改为否定句 my sister does her homework after supper.改为否定句. My sister does her homework after supper.改为否定句 My sister does her homework at school.(改为否定句) My sister does her homework after school.改为否定句