have been可以接现在完成时，还可以接正在进行时，或者接现在完成时的被动语态。 例句 The original manuscript has been lost. 原稿已经遗失。 He has bee...
remind sb of 提醒某人某事，使某人想起某事。 例句 You remind me of your father when you say that. 你说这样的话，使我想起了你的父亲。 Alas! You onl...
has been since是现在完成时态。 例句 Since 1977 otter hunting has been illegal. 捕猎水獭1977年以后就被列为非法了。 Since 1908, chlorine has been a...
