简单点讲,今天上课我刚讲过,我是这样讲的,各记俩个词:不定式to
do:将来
被动(不定式主动代替被动,表示即将要做的事)
eg.With
the
work
to
do,I
don't
know
if
I
have
the
time
to
have
a
picnic
tomorrow.
现在分词doing:正在
主动(表示动作正在进行,主动语态)
eg.Don't
leave
the
water
running
when
you
wash
your
face.
过去分词done:完成
被动(表示动作已经完成结束,被动语态)
eg.With
the
work
done,I
went
out.