8.3 remember doing/to do

　remember to do 記得去做某事　　　　 (未做)
　remember doing　記得做過某事　　　 (已做)

Remember to go to the post office after school.
記著放學(xué)后去趟郵局。
Don't you remember seeing the man before?
你不記得以前見過那個人嗎?