1、which have increased five percent during the first three months of this year after fallingwhich 引導(dǎo)的定語從句用了現(xiàn)在完成時,表示頭三個月增長5%,還有可能繼續(xù)增長,很貼切.2、with a five percent increase during the first three months of this year after having fallen僅表示增長 5%的概念,five percent 作前置定語是否要改成 five-percent?另外 after falling 和after having fallen 沒有多大區(qū)別,因?yàn)榻樵~ after 已經(jīng)表達(dá)了動作的完成.。