put it out和put out the fire这个词组,为什么it要放中间,而the fire要放在词组后面?

问题描述:

put it out和put out the fire这个词组,为什么it要放中间,而the fire要放在词组后面?

put out 是 v.+ adv.及物动词.这类词组中,若宾语是名词,可置于中间或后面,如put the fire out如put out the fire,若宾语是代词,则必须放置在中间,如put it out.