Past Simple vs Past Continuous

Past Simple kể việc đã xảy ra. Past Continuous mô tả bối cảnh đang diễn ra khi việc khác xảy ra.

Mục tiêu

• Dùng Past Simple cho event đã xong
• Dùng Past Continuous cho background
• Viết incident timeline rõ hơn

Past Simple: event

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The deployment started at 9:00.
The API returned 500 errors.
We rolled back the release.

Dùng để kể timeline.

Past Continuous: background

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Users were checking out when the payment service failed.
The team was monitoring the release when the alerts fired.

Incident pattern

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At 9:15, the payment service started returning 500 errors. Users were trying to complete checkout at that time.

Câu đầu là event. Câu sau là bối cảnh.

Lỗi phổ biến

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Yesterday we were deployed the hotfix. ❌
Yesterday we deployed the hotfix. ✅

were deployed chỉ dùng passive: The hotfix was deployed.

Bài tập nhanh

Viết 4 câu timeline cho một bug production bằng Past Simple.