have come into use为什么要用一个have,是做动词么?1楼那个"come是一般形式与过去分词同行的"是什么意思，能再详细说说么？

put into use 和 come into use 的差别 come into use和come into effect有什么区别? 启用的英语是 come into use? come into use的use是名词词性对吗 come into use造句子(4)个要求有翻译 have come into use为什么要用一个have,是做动词么?1楼那个come是一般形式与过去分词同行的是什么意思，能再详细说说么？ Long skirts have come into fashion again.中come into fashion 是什么成分 come into come into come into , they have expanded an investigation into the use of mobile device.其中into the use做什么成分, Long shirts have come into ( ) again的意思并填空 关于come into的用法在新2里的一道题,the airport (c).选项c是come into use recently 选项d是has just come into use 为什么不能选择d啊 The airport has just come into use中的has有什么用?可以去掉吗? get into trouble whih the law.come into contact with .have more trust in others.tal put into use翻译 get into,come into,step He didn’t come to the party yesterday,or I __________ him.6.He didn’t come to the party yesterday,or I __________ him.A) would see B) saw C) see D) would have seen9.Not until the middle of the 19th century ___________ into wide use.A)electricity