I've always understand,it's my problem,my fault .表达正确吗?

问题描述:

I've always understand,it's my problem,my fault .表达正确吗?

I've understood(that)it's my problem,my fault.宾语从句.你写这个句子时态是现在完成时,要用过去分词understood,不跟always.understand是不可以用现在进行时的.楼下说的不对.