couldn

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/25 02:26:52

couldn

过去时的不能,有时也表示过去时的否定推测
couldn't= could not

couldn I couldn`t help couldn't是什么意思 couldn\'t find\'.txt\' i couldn‘t是什么意思 things couldn't be couldn't have done? couldn‘t什么意思? couldn't发音 couldn t和 couldn't help I couldn't help