pass是经过,passed是pass的过去、过去分词形式,past是副词、名词、介词和形容词。
i
will
pass
a
house
everyday.
i
passed
a
house
yesterday.
i
remember
my
past.
i
walked
past
the
house.
the
past
years
is
my
treasure.
i
miss
the
past
years.
past
是指时间上的过去,如in
the
past
而pass
是指空间上的过去,或是指抽象意义上的过去,如考试通过:pass
the
exam