把这句话改成否定句 Tom often does morning exercise

把这句话改成否定句 Tom often does morning exercise Tom does morning exercise改成否定句 Tom often goes morning exercise.怎么改成否定句? Tom often does morning exercise(用 this morning改写句子) Tom ____ 5.Tom often did morning exercise before.改为同义句 Susan does exercise in the morning.改为否定句. Susan does exercise in the morning.改为否定句 sandy does EXercise every morning改为否定句 Tom does exercise every day的否定句 Simon often does exercise in the morning用tomorrow morning改句 saiiy often does some readinginthe morning.(改为否定句) Tom does his homework often dinner改为否定句