关于动词与介词搭配时是sweep it away还是 sweep away it?是不是动词和介词搭配时,当宾语是代词时,都置与介词和动词中间?像pick it up

动介结构宾语无论是名词还是代名词一律放在介词后.
look after the child look after him
look for my watch look for it
动副结构宾语是名词可以在后也可以在中间,若是代名词则必在中间
sweep it away sweep away all things
give it up give your plan up