the past perfect
US /ðə pæst ˈpɝː.fɪkt/
UK /ðə pæst ˈpɝː.fɪkt/

1.
thì quá khứ hoàn thành
a verb tense used to talk about actions that were completed before some point in the past
:
•
By the time I arrived, they had already eaten.
Khi tôi đến, họ đã ăn rồi.
•
She had never seen such a beautiful sunset before that day.
Cô ấy chưa từng thấy cảnh hoàng hôn đẹp như vậy trước ngày hôm đó.