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Cleft Sentences Error Correction

B2 Level

This cleft sentences error correction exercise targets common mistakes in it-clefts, wh-clefts, and other emphasis structures used at B2 level and above.

Wrong: "It was the technician which fixed the projector." Correct: "It was the technician who fixed the projector."
Wrong: "What the form need are a signature." Correct: "What the form needs is a signature."

Learners must check the connector, verb agreement, focus phrase, and overall cleft frame. Some sentences are already correct, so the goal is accurate proofreading rather than automatic rewriting.

Quick Rule

It + be + focus + who/that/which... | What + clause + be + focus

  • 1.It was the doctor who called.
  • 2.It was the schedule that confused the visitors.
  • 3.What the manager needs is a clear update.
  • 4.All I wanted was a quick answer.
  • 5.The reason I left was that the meeting had finished.