求 4 个 present perfect progressive 句子..

求 4 个 present perfect progressive 句子 求 4 个 present perfect progressive 句子.. present perfect progressive 现在完成进行 和present perfect 有什么区别 求帮忙写10个英语句子!Present Perfect 时态的,5个用For,5个用Since.谢 以下那个 “present progressive verb" 句子是不对的? 求助 用present progressive造句 5个 在线等~~~~~~谢谢~~~~~~~~~ The Present Progressive 英语问题,求解释present perfect 和 present perfect continuous. present perfect 什么是simple present tense or present progressive? present perfect simple and present perfect continuous 求 past | past perfect | present perfact 的分别