We could not help后面加动词什么形式?

We could not help后面加动词什么形式? Without your help,we could not have succeeded.句子后面的 we could not have succeeded可以换成we would ntot have succeeded吗?不是应该用虚拟语气吗？那could not 为什么是对的？ 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 when I saw him,I could not help (laugh)为什么答案上填的是laughinghelp后面不是不能加动词的ING形式吗 用所给单词的适当形式填空：We could not help _____ after we heard the story.(laugh) Could not help but have to why not是否等于why don't we?（why not后面用加together吗) leech could not finish it without me to help him.后面半句条件状语为什么用to help而不是helping could not help but those who could not help but shed tears We gave him ____ help we could.为什么是what But for their help,we ( ) the program in timeA:had not finished B:could not have finished 括号中填哪一个, 初三英语语法习题,求解释_________ ,we could not have finished the work on time为什么选择 But for their help 不选was it not for their help 或者 should they offer to help 后面是We help each other we human beings could not survive without all the plants and animals around us.这句话里面的beings和后面的 could是什么用法呢 it could/might be后面加什么? we like watching tv改否定句可以改为we like not watching吗?为什么为什么后面加not是错的，加don't是对的 So far,we not _____(have)a reply.答案为什么是have not had啊?we 后面能加not吗？ 不得不 到底是could not but还是 could not help but