Cambridge Veritas

Grammar Check Exercise

Must, Mustn’t and Needn’t

Distinguish strong obligation, prohibition, and absence of necessity with must, mustn’t, and needn’t.

Interactive exercise

Must, Mustn’t and Needn’t

Answer 6 questions about this grammar point.

Review before you beginReview the grammar lessonOpen the rules, examples, and common mistakes before starting this exercise.Open lesson
  1. 1.

    Which statement best explains Must, Mustn’t and Needn’t?

  2. 2.

    Which sentence correctly demonstrates the main point in Must, Mustn’t and Needn’t?

  3. 3.

    Which revision best addresses this example in the lesson context: “You mustn't come early; it is optional.”

  4. 4.

    Which option is accurate in the context taught in this lesson?

  5. 5.

    Which revision best addresses this example in the lesson context: “She musts finish today.”

  6. 6.

    Which revision best addresses the final example from this lesson?