Good evening)
1. a) Общий: Were your parents very busy on Sunday?
b) Альтернативный: Were your parents very busy or no on Sunday?
c) Спец.: When were your parents very busy?
d) Разделит.: Your parents were busy on Sunday, weren't they?
2. a) Общий: Do children seldom like to do their homework?
b) Альтернативный: Do children seldom like to do their homework or no?
с) Спец.: How often do children like to do their homework?
d) Разделит.: Children seldom like to do their homework, don't they?
3. a) Общий: Can you walk in old forest among these trees?
b) Альтернативный: Can you walk in old forest among these trees or you're afraid?
с) Спец.: How can you walk in old forest among these trees?
d) Разделит.: You can walk in old forest among these trees, can't you?
Good luck)