learn的过去式用英文怎么说
时间：
learn的过去式是learned。
这个词来源于古英语中的 "leornian"，后来演变成了"learn"。在这个词的变化过程中，它的过去式变化成了"learned"。
例句：
I learned how to play the guitar last summer. (我去年夏天学会了弹吉他。)
She learned to speak French fluently in just a few months. (她在短短几个月内就学会了说流利的法语。)
He learned to swim when he was a child. (他小时候学会了游泳。)
这个词来源于古英语中的 "leornian"，后来演变成了"learn"。在这个词的变化过程中，它的过去式变化成了"learned"。
例句：
I learned how to play the guitar last summer. (我去年夏天学会了弹吉他。)
She learned to speak French fluently in just a few months. (她在短短几个月内就学会了说流利的法语。)
He learned to swim when he was a child. (他小时候学会了游泳。)