为什么要用ing形式?1.he will be working with u from now on为什么不直接说成是He will work with u from now on?这句是什么时态?为什么要ING形式?2,how long have u been working here?WHY IS NOT"how long have u worked here?"是因

为什么要用ing形式?1.he will be working with u from now on为什么不直接说成是He will work with u from now on?这句是什么时态?为什么要ING形式?2,how long have u been working here?WHY IS NOThow long have u worked here?是因 为什么要用ing 形式 He wants to join the swimming club为什么要用ing形式? we wrote an article suggesting he was guiltysugget为什么要用ing形式 （taking） the plane will be expensive.的taking为什么用ing的形式?为什么那个taking要用ing形式? 这里为什么要用ing形式? 为什么会用ing形式? He will be p_____ on the piano in the concert. Fill in performing, 为什么填ing形式 英语句式词汇解析1He told us a disappoint thing中的disappoint为什么要用ing形式 But he still went on working and ___A writeb to writec writesd writing为什么要用ing形式? 请从语法角度分析句子He is selfish,only caring about himself.里care为什么要用ing形式 what other job is he thinking of doing thinking为什么用ing形式啊 He spent a hour reading the letter为什么read用ing形式 He soon had them all laughing.翻译下 这里laughing为什么用ing形式 swimming club 中的swim为什么要用ing形式? 第二个空为什么要用ing形式 swimming club 中的swim为什么要用ing形式? do some reading 为什么要用ing形式