but前面无动词do或其变化形式时,则要加不定式.但为什么有can't choose but do 的词组呢?
but的问题此处but为介词,意为"除...之外"当but前面有动词do或do的其他变化形式时,只加动词原形.如:I d
can`t help but do ,can`t help doing,can`t choose but do,can`
can't help but to do有to吗?can't but do为什么就没有to?
But I can't do
can't but do sth
用它们来造句1 can't choose but to2 choose to do sth3 choose sth fr
can't but、can't help but、do nothing but有什么区别?
I can't choose how i feel,but i can choosewhat i do about
do nothing but do 与have no choice but to do 与can't but do
can't help but do 和couldn't help but do 只是时态的区别吗?
have no choice but to do 书上讲的是but前的动词为实义动词时,其后一般接带to的动词不定式.
can't help but doing,can't help but do ,can'help doing的区别