have something done和need to be done

have something done和need to be done have something done 与have sth.to be done 区别 have been done 和 to be done need doing 和need to be done need to be done have done/to be done Something will have to be done to change ___. something must to be done和something must be done区别 need to be done.是什么意思? need doing 和 need to be done有什么区别? need+to be done和need +doing的区别 need doing 和need to be done 的区别