I have come here 句中的have做什么成分?不是说俩动词不能放在一个句子中吗?如果have是助动词那么为什么不是have came?

i have come here是什意思 I have come here 句中的have做什么成分?不是说俩动词不能放在一个句子中吗?如果have是助动词那么为什么不是have came? you should have come here five minutes earlier,同义句? come here and have alook.改为否定句 i never expect that you have come here 怎么翻译 给I have come here for three days改错 I have lived here.与I have been in there.有什么区别?第二句中的been表示什么? Here I come 翻译 I hope you can come here tomorrow 改为同义句 mary and i come here every day 的同义句 I have never been here.I haven't been here.愿意：我没有来过这里.1.I have never been here.2.I haven't heen here.3.I didn't come here.是否三句都正确?我知道第一句和第二句是现在完成时,第三局是一般过去时.它们有 Who has a ruler?I have one here.句中的HERE 是什么词性,为什么这样用?省略掉HERE不也可以吗? -Jane,when did you come here?-In 2010.I have _-Jane,when did you come here?-In 2010.I have _________ here for two years.A.Have been to.B.have gone to.C.have come.D.Have been I want them to come here on time.同义句I want them to come here on time.I____ ____ them to come here on time. i have a lot of friends here.(改为同义句)I have()()here. I hear this is the first time you _____ here.A.come B.came C.will come D.have come Come here early否定句 Come here.改为否定句