I couldn't get to school on time和I didn't get to school on time有什么区别?couldn't 和 didn‘t 能不能互用?

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I couldn't get to school on time和I didn't get to school on time有什么区别?couldn't 和 didn‘t 能不能互用?

I couldn't get to school on time和I didn't get to school on time有什么区别?couldn't 和 didn‘t 能不能互用?
I couldn't get to school on time和I didn't get to school on time有什么区别?
couldn't 和 didn‘t 能不能互用?

I couldn't get to school on time和I didn't get to school on time有什么区别?couldn't 和 didn‘t 能不能互用?
I couldn't get to school on time和I didn't get to school on time有什么区别?
couldn't 和 didn‘t 不能互用.
I couldn't get to school on time.
句意是:“我不能按时到校”.(couldn't do sth没能力做某事).
I didn't get to school on time.
句意是:“我没有按时到校”.(didn't do sth过去没有做某事)

第一句表示我不能准时到达学校。(天气原因或者是人为原因导致的。)
第二句则是陈述一个发生的事实,我没有准时到达学校这件事情。
couldnt 和didn't不能互换,这是肯定的。
码字不易,望采纳

区别就是第一句 could 是情态动词 第二句did 是一般过去时态
第一局表示不能 第二句表示没有

不能互换。could't 是不能之意,说明另有缘由。didn't 是没按时到校,陈述过去一事实。