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Is this sentence correct:

I've made mistakes during my childhood.
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You're both right.
Comments  
you're not a child anymore? so why present perfect?

I made mistakes during my childhood.
Students: We have free audio pronunciation exercises.
Although I'm not a native speaker of English, an adult would look back on their childhood and say: I made mistakes during my childhood.

I've made mistakes during my childhood could be used by a child. That's what the present perfect suggests!

I also want to know if what I told you is correct. Let's wait for an answer we can trust! Emotion: thinking

 BarbaraPA's reply was promoted to an answer.