第1个回答 2019-12-08
1)以下动词后，只能接动名词作宾语，如：admit,appreciate,consider,delay,enjoy,finish,keep,imag
ine,mind,miss,practise,resist,risk,save,suggest,don't
mind,give
up,insist,on,
put
off等。
advise,allow,encourage,forbid,permit等动词后接动名词作宾语，或带不定式作宾语补足语。如：
Our
teachers
don't
permit
our
swimming
in
the
lake.
Our
teachers
don't
permit
us
to
swim
in
the
lake.
2)在下列情况下，一般要用不定式：
①hate,like,love前有would(should)时，如：I'd
like
to
have
a
cup
of
coffee.
②当谓语动词begin,continue,start等是进行式时，如：Thestudents
are
starting
to
work
on
the
di
fficult
maths
problem.
③begin,continue,start与know,understand等状态动词连用时，如：I
soon
began
to
understand
what
was
happening.
3)部分动词后接不定式或动名词时，意义差别较大，应根据句子语境选择使用。
①forget,remember,regret后接不定式，表示现在或未来的动作，接动名词表示动作已经发生。如：
Don't
forget
fo
post
the
letter
for
me.
Have
you
forgotten
meeting
her
in
Beijing
Airport?
Remember
to
close
the
windows
before
you
leave.
I
remember
writing
him
a
letter
a
year
ago.
We
regret
to
tell
you
that
all
of
you
are
not
invited
toattend
the
meeting.
They
regretted
ordering
these
books
from
abroad.
②mean
to
do
打算做某事
doing
意味着……
I
meant
to
catch
up
with
the
early
bus.
This
means
wasting
a
lot
of
money.
③try
to
do
设法尽力做某事
doing
试着做某事
You
should
try
to
overcome
your
shortcomings.
Try
working
out
the
physics
problem
in
another
way.
④stop
to
do
停下一件事去做另一件事（不定式作目的状语）
doing
停止做某事
On
the
way
to
the
airport,I
stopped
to
buy
a
paper.
You'd
better
stop
arguing
and
do
as
you
are
told.
⑤can't
help
doing
禁不住……
to
do不能帮助干……
They
couldn't
help
jumping
up
at
the
news.
Sorry
I
have
lots
of
work
to
do.So
I
can't
help
to
make
up
the
room
for
you.
⑥go
on
to
do
做不同的事或不同内容的事
doing
继续不停地做某事，指同一动作的继续
He
went
on
to
talk
about
world
situation.他接着又谈了世界形势。
We'll
go
on
fighting
so
long
as
there
is
oppression
inthe
world.
⑦leave
off
to
do
离开某地去干什么（目的状语）
doing停下某事
It's
time
to
leave
off
talking
and
to
start
acting.
They
left
off
to
go
fishing.
第2个回答 2020-03-24
有些固定的词组后面跟的是固定的，比如want
to
do
something.
有些呢后面后面跟不一样的意思也就不一样，比如stop
to
do,stop
doing.前者是停下现在做的，去做另一件事，后者是停下现在正在做的事。
to
do,dong也有表示即将做和正在做的意思。集体好像没有什么动词必须跟
to
do,doing的。