3. regret doing... / to do... 后悔……
◆ 瘋狂講解
“regret doing”是指“后悔做過某事”,“regret to do”是指“很遺憾要去做一件不得不做的事” 。
◆ 瘋狂操練
I regret sleeping in class when I was in school.
(我后悔上學(xué)時在課堂上睡大覺。)
I regret to tell you that your son is hopeless.
(我很遺憾地告訴你,你兒子已經(jīng)不可救藥了。)
【總結(jié)】從以上三個例子可以看出一個規(guī)律:如果動作已經(jīng)發(fā)生,則用動名詞;反之,如果動作未發(fā)生,則用不定式。