语法总结
claim to have done
claim to have seen monsters 表示“声称过去见过”。
相似句：
- He claimed to have met the actor before.
- They claimed to have solved the problem.
Realizing ... 作原因状语
Realizing that this was no ordinary fish... 交代渔夫为何改变态度。
相似句：
- Realizing he was late, he ran all the way.
- Knowing the danger, they stayed back.
found to be...
it was found to be over thirteen feet long 是正式说明体常用句型。
相似句：
- The house was found to be empty.
- The boy was found to be innocent.