my father has read the novel twice请问这句话在现在完成时范畴内表示的什么?是表结果,还是持续的动作?

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• my father has read the novel twice请问这句话在现在完成时范畴内表示的什么?是表结果,还是持续的动作?
• The teacher told us to read English aloud in the morning.改为被动语态She often told us stories about famous persons.We turn on the street lights at 7:30 in the morning.We saw him cross the street.
• He read the book twice.（对twice提问）