非谓语动词语法详细解答答:(from),keep …from, stop…(from),protect…from, set about, be engaged in, spend…(in), succeed in, be used to, look forward to, object to, pay attention to, insist on, feel like(4)作定语:He can't walk without a walking-stick. 他没有拐杖不能走路。Is there a swimming pool in...