it took me five hours to finish the book请问finish为什么不用finished?意思不是花了5个小时"读完"这本书吗.

问题描述:

it took me five hours to finish the book
请问finish为什么不用finished?意思不是花了5个小时"读完"这本书吗.

因为这是带to的动词不定式,用动词原型to do.