Video lesson · Present Perfect vs Past Simple

Time Unknown vs Time Known

Name: Present Perfect vs Past Simple: time unknown or time known, video
Uploaded: 2026-06-12T11:32:41.869Z
Duration: 47 s
Description: 47-second video: Present Perfect when the exact time is not mentioned, Past Simple when it is stated. I have seen that movie before, I saw that movie last night.

Video explanation · 0:47

Present Perfect for actions which are completed, but the exact time is not mentioned or important. Past Simple for actions which are completed, and the exact time is stated or implied.

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Time Unknown vs Time Known

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