那个包裹不可能是昨天到的，快递公司周末不送货。
The package cannot have arrived yesterday—the delivery company doesn't work on weekends.
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cannot英 /ˈkænɒt/|美 /ˈkænɑt/|英 /kəˈnɒt/|美 /kəˈnɑt/
arrived英 /əˈraɪvd/|美 /əˈraɪvd/
解释
cannot have + arrived 构成情态动词完成体，表达对过去事件的否定推理：说话人依据「快递周末不送货」这个客观事实，推断包裹不可能在昨天送达。
The package cannot have arrived yesterday—the delivery company doesn't work on weekends.
cannot have + arrived 构成情态动词完成体，表达对过去事件的否定推理：说话人依据「快递周末不送货」这个客观事实，推断包裹不可能在昨天送达。