什么叫延续性动词,has had和has bought的区别?

现在完成时不一定是延续性动词已完成用法:表示动作或过程发生在说话之前某个没有明确说出的过去时间(常指最近的过去时间),现存已经完成了,并与现在的情况有联系.例如:He has bought a car.他已买了一辆汽车.bought 就是个短暂性动词啊现在完成时强调动作行为的结果、影响,而现在完成进行时只强调动作行为本身,如:Tom’s hands are very dirty.He has been repairing the car.The car is going again now.Tom has repaired it.以下情况用现在完成进行时1) 表示一个在过去开始而在最近刚刚结束的行动,如:Ann is very tired.She has been working hard.2) 表示一个从过去开始但仍在进行的行动,如:It has been raining for two hours.(现在还在下)

什么叫延续性动词,has had和has bought的区别?

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has had和has bought的区别?
has had中,had 是延续性动词.后面可以接一段时间
has bought 中bought 是瞬间动词,不能接一段时间
He has had this bike for ten days.
【什么叫延续性动词,has had和has bought的区别?】He has alreday bought thos bike.