think的过去式和过去分词
think 的过去分词和过去式：thought
n. 想法；看法；主意；记忆；心思；思想；思考能力；思维过程；思考；思维；
v. 认为；以为；想；思考；思索；思想；琢磨
例句：
She had given up all thought of changing her job.
她打消了所有换工作的念头。
The decision was based on emotion rather than rational thought.
这个决定不是基于理性的思考而是基于感情作出的。
I'd never have thought of that in a million years.
我永远也想不出这个主意。
