表延续为什么用have come?gone back 和 ruturned都是过去分词形式吧,那为什么have come 是一般形式呢?

表延续为什么用have come?gone back 和 ruturned都是过去分词形式吧,那为什么have come 是一般形式呢? 关于come的延续行动词___the sun ___(come)up?答案写has ,come为什么come不改成延续行动词? Where Have All The Flowers Gon 歌词 英语翻译为什么被动就可以表延续? Good evening!i have come to see miss jessica试题为什么用have come We'd better wait until all our plans have come true.为什么用have come Have come 怎么用 短暂性动词变延续新动词造句 就用常用的几个词 如：buy -have come-be begin -be on..造四五句 不要雷同和抄袭!我还会提高悬赏的 求求你们了 it's the first time that i -----to beijing为什么用come,不用have come 英语现在完成时stop可延续吗 stop可延续吗the bus has been on the road .为什么不能have stoppedjianren3210 13:50 This is the first time that i have come beijing.为什么用have come and have something to drink?have是啥意思,为什么用to come in and have a seat中,为什么要用have a please come to the restaurant to have dinner with us 为什么要用to have betcha gon He has just come back.现在完成时.He has just come back.为什么不是用came?has/have+动词过去式? have come have come