find/found/founded
find意为“发现、找到”,为动词原形。
found既是不规则动词find的过去式和过去分词,本身又是一个动词原形,意为“建立、成立、创办”。如:
He has already found his watch. 他已经找到了手表。
founded为动词found的过去式和过去分词。如:
The school was founded ten years ago. 这所学校是十年前创办的。