http://chanyi.new21.net/zbxe/64977
 17. stop + to V / -ing

Pont

stop + to V
목적의 의미(=in order to): ~하기 위해 하던 일을 중단
stip + -ing
완료의 의미(=quit, finish): 자체의 중단

Practice
․ Many people have stopped [smoking / to smoke] after they learned that smoking is a prime cause of lung cancer.

․ If you had stopped [to read / reading] the instruction manual before turning on the machine, I'm sure you wouldn't have broken it.

․ What do you do when you come across a word that is not familiar? Do you stop [looking / to look]it up in the dictionary? Do you try to analyze it parts, or do you look for clues in the way the word is used in its surroundings?