YOU SAID:
my sisters knees hurt from last night
INTO JAPANESE
私の姉妹は昨晩から傷ついています
BACK INTO ENGLISH
My sisters have been hurt since last night.
INTO JAPANESE
私の姉妹は昨夜以来傷ついています。
BACK INTO ENGLISH
My sisters have been hurt since last night.
Yes! You've got it man! You've got it