文档介绍：1. to do 2.-ing
(1) ask/tell/advise/persuade sb. to do sth.
(2) “吾看三室两厅一感觉”：
五看(look at/see/watch/notice/observe)/
三使(make/let/have)/
两听(listen to/hear)/
一感觉(feel) sb. do sth.
使用非谓语动词的句型和固定搭配
(3) It's +adj. +for/of sb. to do sth.
(4) It's no good/use doing sth.
(5) It takes (sb.) some time to do sth.
(6) admit/advise/allow/avoid/consider(考虑) / like/dislike/enjoy/finish/forbid/imagine(想象)/ keep/mind/practice/recommend/risk/suggest
(建议)/give up,etc.+ doing sth.
(7) afford/agree/decide/expect/hope/
manage/offer/plan/prepare/pretend/
promise/refuse/wish,etc + to do sth.
原则一：作目的状语，用不定式
原则二：作伴随状语，用现在分词
原则三：作结果状语，用现在分词或不定式
原则四：含有被动意义时，用过去分词
原则五：强调动作发生在主句谓语动作之前，用完成式
原则六：用于名词后作定语时，原则是：用过去分词，表示动作已经发生，同时表示被动意义；用现在分词，表示动作主动或正在进行;用不定式，表示动作尚未发生;
……
非谓语动词题解题原则
语法填空
Once upon a time, there was a gang of evil goblins（小妖精) who lived in a forest. They spent a lot of their time(1)_______ (make) fun of a poor old man who could now hardly move, see, or hear. They showed no respect for his age.
The situation became so extreme that Great Wizard （男巫） decided(2)________ ( teach )the goblins a lesson. He cast a spell , and from that moment, every insult（侮辱）(3)________ ( direct )at the old man made the old man better,but had the opposite effect (4)_______the goblin who was doing the insulting.
making
to teach
directed
on