She looks younger than she is.和She is younger than I.的区别?

问题描述:

She looks younger than she is.和She is younger than I.的区别?
为什么第一个句子后面要用系动词,而第二个句子不需要.look 和is都属于系动词啊.

因为前面是将两个不同的成分进行比较.1.She looks younger和She is young进行比较,后面的is 不是与前面相同的look所以不能够省略.如果是She looks younger than he(looks).就可以省略后面的那个looks2.She is young...