be worried that...还是 be worried about that...还有类似的be puzzled about why 还是be puzzled why

问题描述:

be worried that...还是 be worried about that...
还有类似的be puzzled about why 还是be puzzled why

正确:be worried that.../be puzzled why...
错误:be worried about that...(介词后不接 that-从句,若接,则略去 that,故上一行的结构正确.)
没错,但英语为母语的人几乎不用:be puzzled about why (一般用成第一行的结构.)