have sth to do 是指有些事要去做,这里的have是‘有’的意思。 I have a lot of homework to do. --->我有很多作业要做。 --->have最基本的意思:“有” have sth done是指要别人去做某事,have sth done中sth 与其后动词构成被动关系,让...被做 I'll have these letters typed. 我需要有人打印一下这些信件(被别人) She is having her eyes tested. 她正在让人给眼睛验光。 希望对你有帮助!