stay的延续性动词是什么?是has been还是has stayed?

stay的延续性动词是什么?是has been还是has stayed? stay 的延续性动词是什么 A city has been built up 句中的谓语动词是has 还是been,还是 has been都是?请详 I stayed there for two months last year.stay是延续性动词,而且还有for+时 It is / has been + 段时间 + since + 一般过去时,从句中的动词用延续性动词和非延续性动词有何 bear 延续性动词bear是延续性动词还是瞬间动词?如果是瞬间动词,那么它的完成式是什么? been是谁的延续性动词? seperate是瞬间动词还是持续动词?可不可以说...has been seperated from...for x remove 这个单词的完成式是什么?has been removed 还是has removed 这句话中has been away是谓语,还是has?还是been?还是has been?还是away? stay是不是延续性动词 现在完成时 have/has后面加过去分词 瞬间延续都可以吗?什么时候是必须用延续性动词的?