Образовать отрицательную и вопросительную формы:
1) They like vegetables
2) Our mother comes home very late

1) Отрицательная: They do not like vegetables.

Вопросительная: Do they like vegetables?

2) Отрицательная: Our mother does not come home very late.

Вопросительная: Does our mother come home very late?

Ответ:

1)They don't like vegetables

Do they like vegetables?

2)Our Mother doesn't come home very late

Does our mother come home very late?