【正文】
are you doing ? I’m standing . Let’s chant Standing, standing, I’m standing. What are you doing ? I’m sitting . Sitting, sitting, I’m sitting. What are you doing ? I’m jumping . Jumping, jumping, I’m jumping. Hope you know more (現(xiàn)在分詞構(gòu)成規(guī)律 ) : 現(xiàn)在分詞形式變化多, 有的尾部去掉 e,有的尾部要雙寫,