Core Grammar: Present Perfect vs Past Simple (Error Correction) (B2) #2 – PrivateLessons.Online

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Core Grammar: Present Perfect vs Past Simple (Error Correction) (B2) #2

They haven’t finished their homework yet, but they started it yesterday.

They haven’t finished their homework yet, but they started it two hours ago.

You can try 3 times. After that, you can choose to see the answer.

The error is combining the present perfect with a specific past time reference (‘yesterday’) that conflicts with the unfinished action.

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