高一英语时态填空题Qing dynasty ___existed___ for over 300 years.简析had

高一英语时态填空题Qing dynasty ___existed___ for over 300 years.简析had 【高一英语】【时态】I _______ in a foreign trade company for 5 years.S for over four years是什么时态 高三英语,for three years用于任意时态?怎么说 高一英语 时态填空（2） 高一英语适当时态填空, 请分析下面英语句子结构及时态：The dream he had had for so many years ended 1.The Qing dynasty was over in9( ) 20th century ,right?yes , A couple had been married for over 60 years I had lived there for over thirty years ___________I wanted 一道高二英语时态填空题 for twenty-five years和for over twenty-five years在时态用法上一样吗