1、语态不同need doing是被动语态，表示某物/人需要被做某事。例句：My bike needs mending.我的自行车需要修补。need to do则是主动语态，表示需要做某事。例句：I need to mend my bike.我需要修补我的自行车。2、主语不同人＋need ＋to do例句：We need to collect the parcel before we leave for England．去英国之前，我们需要收拾好行李。物＋need ＋doing例句：The ...
need to do 需要做某事need doing 是需要被做有被动的意思如;I need to wash my clothes.My clothes need washing.need doing = need to be doneI need to mend my bike.My bike needs mending.具体的说：...
need doing=need to be done，主动表被动。类似用法还有want, require等。例：The flowers need watering. = The flowers need to be watered.花要浇水了。need to do 需要做某事延伸：need do 需要做某事，这里need 是情态动词，没有人称变化...
简单初级的讲： need to do 需要做某事 need doing 是需要被做有被动的意思 如;I need to wash my clothes.My clothes need washing.need doing = need to be done I need to mend my bike. My bike n...
