have been keeping doing 为什么错了是因为have been后面不能加状态么

I have been (i ) in keeping fish for two years have been keeping doing 为什么错了是因为have been后面不能加状态么 have been needing to do Now these magazines__ in the library for a long time.have been kept可是为什么have been keeping不对? I have been keeping my gratitude for you in my heart翻译,谢谢 have been do和have been doing的不同 have been done和have been do的区别 have been meaning to do STH． have been 与have do的区别语法上 问候的英语句子?how are you how are things?how is goinghow are you getting on?how have you been what have you been(getting) up to?i hope everything is okay?how have you been keeping? believing these people have their special___,the police have been keeping a watch on them.A.ideas,good B attempts,close C ways,tight D minds serious how long have u been keeping doing that / how long have u kept doing that.这持续多久了,那个对? why do you run in the early morning? _____healthy. A.keep B.To keep C.Keeping S.Have kept I have been waiting regardless of how long do I have been waiting long是什么 初三英语几道 连词成句 1.I,you,month,am,looking,seeing,forward,next,to2.you,know,keeping,is,important,healthy,to,3.others,try,fall,not,hard,to,behind.4.you,have,how,school,long,away,from,been,5.her,rain,do,waiting,not,leave,outside,in,the. keeping How much money do you have been find? Do not be afraid,we have been here accompany you!