found加从句 动词用什么形式

这个不一定,时态在广泛的英语世界中是非常灵活的。但是在中学阶段比较狭隘。I found that my book was lost。(指当时---我发现书丢了。）总结,一般情况,I found后面跟过去相关的时态（一般过去时,过去将来时,过去完成时等等）。think that后面的时态更多,I think that he is coming soon。（进行时表将来）,I think that he was crazy yesterday。（过去时）,I think that he has made it。(现在完成时）,其实还有很多很多种可能。