regret有不及物动词形式吗？

我知道有及物动词形式，但是否也能当不及物动词用呢？ 比如：you'll regret...

应该是可以的，不过你说you'll regret that 是一定对的。
v.tr.（及物动词）
To feel sorry, disappointed, or distressed about.
后悔，惋惜：对…而感到惋惜、失望或苦恼
To remember with a feeling of loss or sorrow; mourn.
哀伤，悲叹：带着失落感或悲伤回忆；痛惜

v.intr.（不及物动词）
To feel regret.
后悔：感到后悔

n.（名词）
A sense of loss and longing for someone or something gone.
悲痛：失落感和思念失去的某人或某物的感觉
A feeling of disappointment or distress about something that one wishes could be different.
悔意：对希望能不同的东西的失望或苦恼的感觉
regrets A courteous expression of regret, especially at having to decline an invitation.
regrets 遗憾，惋惜：有礼貌地表达遗憾，尤其是对不得不拒绝的一个邀请而感到遗憾

I regret to (say,tell,announce,etc.) that... 就是很遗憾/很抱歉的意思。 貌似只有这个。

有的，regret有三个词性。 n. 遗憾；抱歉；悲叹（名词） vt. 后悔；惋惜；哀悼（及物动词） vi. 感到后悔；感到抱歉（不及物动词），例句： i should have come earlier. i deeply regret. 我本应当早点来的，我真后悔。

名词 n. 1.懊悔,悔恨;抱歉,遗憾[U][C][(+at/for)] Shelley had no regrets for his actions. 雪莱对他的行为一点都不感到后悔。 He felt no shame and no regret. 他既不感到羞愧也不感到遗憾。 2.哀悼,悲叹[U][(+over)] He expressed regret over the death of your father. 他对你父亲的逝世表示哀悼。 3.表示谢绝的短柬[P] Tommy sent his regrets. 汤米寄来了他的谢绝函。 Please accept my regrets at having to refuse

及物动词 vt. 1.懊悔;因...而遗憾[+v-ing][+that] I regret that you see it like that. 你这样看待这件事,我很遗憾。 I believe you will regret leaving Paris. 我相信你会为离开巴黎而后悔的。 I regret the loss of her friendship. 我为失去她的友谊而遗憾。 2.痛惜;哀悼;思念 I regret his death. 我对他的逝世痛惜不已。 3.为...抱歉,遗憾[+to-v][+that] I regret to say that I am unable to help you. 很抱歉,我爱莫能助。 不及物动词 vi. 1.感到后悔;感到抱歉;遗憾 Those who have not bought insurance are now regretting. 那些没有买保险的人现在后悔了。 名词 n. 1.懊悔,悔恨;抱歉,遗憾[U][C][(+at/for)] Shelley had no regrets for his actions. 雪莱对他的行为一点都不感到后悔。 He felt no shame and no regret. 他既不感到羞愧也不感到遗憾。 2.哀悼,悲叹[U][(+over)] He expressed regret over the death of your father. 他对你父亲的逝世表示哀悼。 3.表示谢绝的短柬[P] Tommy sent his regrets. 汤米寄来了他的谢绝函。 Please accept my regrets at having to refuse