в present simple.
1/ You visit parents.
2/ - You do not visit parents.
3/общий вопрос? Do you visit parents?
4/ кто Who visits parents?
5/кого посищял Who do you visit?
present continous.
1/ . You are visiting parents.
2/ - You are not visiting parents.
3/общий вопрос? Are you visiting parents?
4/ кто Who is visiting parents?
5/кого посищял Who are you visiting?
present perfect.
1/ . You have visited parents.
2/ - You have not visited parents.
3/общий вопрос? Have you visited parents?
4/ кто Who has visited parents?
5/кого посищял Who have you visited?
