might和must还有can的区别

Question

如题所述

Answer 1

语气上might最轻，表示一种可能性，如:I
might
finish
this
work
before
Sunday.
同时，might
可以用在过去时态中，must和can只能用在现在和将来时态中，如:He
might
be
swimming
when
I
saw
him
yesterday.
而can语气介于中间，表示具备能力做某事，如:I
can
play
football
as
well
as
him.
must则语气最强，表示一定、必须，如:He
must
be
a
student,for
he
is
in
a
school
uniform.
同时might,must还可以表示退则，用于虚拟语气，如:She
might
have
had
lunch.
虚拟语气时can则用could代替，如:He
could
have
been
killed
for
10
years.