ashamed的用法

doing 在of后面要加动名词
do 的用法,be ashamed to do something
是一个意思

习惯用语
be ashamed of 以为...是耻辱
be ashamed of oneself for 害羞, 为...而害羞
feel ashamed for sb. 替某人感到羞愧
be ashamed to do sth. 以干...为耻

of是介词后面接doing

doing