I could not help but laugh.句子中but是什么词性?什么用法?

can not help but后面接什么When I told him the joke. He _____ a.could not help to laughing b.could not help to laughc.could not help but laughing d.could not help but laugh I could not help but laugh.句子中but是什么词性?什么用法? Could not help but have to I ___ tell her the truth.A.cannot help B.cannot but C.may not help D.could but could not help but those who could not help but shed tears I could not help but examined my heart before her 翻译 英语 english (10 16:49:47)i could not help but laugh和i could not help laughing有什么区别? 不得不 到底是could not but还是 could not help but My life I could not help but day by day, to destroy me I destroy days 是什么意思 But ,I could not find her/him . i could not but---that his wife was worried.a.notice b.to notice c.noticing d.help noticing If it were not that...But that he came to help me ,I could not have succeeded .是不是可以改写成:If it were not that he came to help me ,I could not have succeeded .或者改成If it were not for the fact that he came to help me ,I could not h But that he came to help me ,I____ .a) could not have succeeded b)did not succeedc) could not succeed d)can't but succeed请问此题考什么语法点呢?另外我还想问:But that he came to help me ,I could not have succeeded .是不是可以改 翻译I could not help taking photos of them i could not swim weel but i ___follow himdid do When Jane fell off the bike,the other children ___.A.were not able to help laughterB.could not help but laughingC.could not help laughingD.could not help to laugh I searched everywhere but could not find him. but i could not cross the ocean of your