英语to be done 和to
英语 区分 doing to和 be doing,being done 和 to be being done .
done 和to be done 怎么分
have been done 和 to be done
being done 和 be doing ;done ;doing ; be done ;to be done 的用法
to be done 和 will be done 什么区别
To be done being done
have done/to be done
英语动名词中BEING DONE和TO BE DONE 的区别
be supposed to 和should have done
need doing 和need to be done
want sth done和 want sth to be done 区别?
to be done 和having been done的用法