什么动词后加动词ing形式

2024年11月16日 08:36
有1个网友回答
网友(1):

加ing的动词,只用在现在进行时,或过去进行时。
eg1
I
was
doing
my
homework
when
he
knocked
on
the
door.
eg2
she
is
going
to
the
library.
eg3
Please
wash
your
hand
before
having
your
meal.
通常before

after
后面的动词要加ing.