But for your help,I (not be) able to find the fight solution to the problem so soon.
问题描述：
But for your help,I (not be) able to find the fight solution to the problem so soon.
答
would not have been
答
would not have been
虚拟语气,过去的。
很高兴为你解答！
老师祝你学习进步！
望采纳，多谢你的问题！^_^
答
But for your help, I couldn't have been able to find the fight solution to the problem so soon.
要不是你的帮助，我不可能这么快就找到解决问题的办法。
But for, 后面的句子用虚拟语气，用would/could/should/might have done的形式。
答
am not
祝你学习愉快！ (*^__^*)
请及时采纳，多谢！
答
虚拟语气,but for 要不是, 后面用would not have been