Hi. Is this correct? Thank you in advance for your help.
He has not done it because he was busy.
anonymous Hi. Is this correct? Thank you in advance for your help.
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anonymousHi. Is this correct? Thank you in advance for your help.
He has not done it because he was busy.
I recommend the same tense in both clauses in this sentence.
He didn't do it because he was (too) busy.
He hasn't done it because he's been (too) busy.
CJ