1. Kate is going to Paris by car.

Общий: Is Kate going to Paris by car?

Альтернативный: Is Kate going to Paris by car or on foot?

Разделительный: Kate is going to Paris by car, isn't she?

Специальный: Where is Kate going by car?

Вопрос к подлежащему: Who is going to Paris by car?

2. They visited their parents last week.

Общий: Did they visit their parents last week?

Альтернативный: Did they visit their parents or their grandparents last week?

Разделительный: They visited their parents last week, didn't they?

Специальный: When did they visit their parents?

Вопрос к подлежащему: Who visited their parents last week?