i didn't 和i haven't 老搞不清该怎么用我昨天没有接(机)到他们,这句是该用didn't 还是haven't?请解释一下为什么要这么用?

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ididn''t和ihaven''t老搞不清该怎么用我昨天没有接(机)到他们,这句是该用didn''t还是haven''t?请解释一下为什么要这么用?ididn''t和ihaven''t老搞不清该怎么用我昨天没有

i didn't 和i haven't 老搞不清该怎么用我昨天没有接(机)到他们,这句是该用didn't 还是haven't?请解释一下为什么要这么用?
i didn't 和i haven't 老搞不清该怎么用
我昨天没有接(机)到他们,这句是该用didn't 还是haven't?
请解释一下为什么要这么用?

i didn't 和i haven't 老搞不清该怎么用我昨天没有接(机)到他们,这句是该用didn't 还是haven't?请解释一下为什么要这么用?
didn't是过去时 haven't是过去完成时
didn't表示过去没有
haven't表示过去到现在一直没有
这边用didn't就可以了
如果是我作业还没完成就用havn't
I haven't finished the homework.

I didn't pick them up yesterday. (yesterday昨天,用一般过去时, 否定: 主语+didn't +动词原形)

haven't过去完成时