understand有明白，理解;了解;得知;默认;领会;懂（某种语言）;等意思，那么你知道understand的过去式是什么吗?下面一起来学习一下understand的过去式以及understand的用法和例句，希望对大家的学习有所帮助!
understand的过去式及其它时态
understand的过去式:understood
understand过去分词:understood
understand现在分词:understanding
understand第三人称单数:understands
understand的用法和例句
1、What I did for you was free, gratis, you understand?
我为你所做的一切都是免费的，无偿的，你明白吗？
2、Do you understand the working of this machine?
你懂这部机器是怎样工作的 吗 ?
3、She didn't understand and so I said it again.
她没懂,我又说了一遍.
4、My wife doesn't understand me.
我的妻子不了解我.
5、You don't understand the poetry of life.
你不理解生活的诗意.
6、We understand that you'll be returning next year.
我们知道你打算明年回来.
7、"You don't understand," he breathed.
“你不明白。”他低声说道。
8、He explained and explained, but I still couldn't understand.
他说了又说, 我还是不懂.
9、Don't always rely on others to understand and sympathize.
不要老是指望别人的理解和同情.
10、A baby can only receive sense impressions, but it can not understand them.
婴儿只能接受感官方面的印象, 而不能理解.
