• Must

CEF Levels: Elementary -- Intermediate

1 Positive, Part 1                        5 Interrogative, Part 1

2 Positive, Part 2                        6 Interrogative, Part 2

3 Negative, Part 1                        7 Short Answers, Part 1

4 Negative, Part 2                        8 Short Answers, Part 2

CEF Levels: Pre-Intermediate / Intermediate

1 Deduction, Part 1                       5 Impossibility, Part 1

2 Deduction, Part 2                       6 Impossibility, Part 2

3 Conclusion, Part 1                      7 Improbability, Part 1

4 Conclusion, Part 2                      8 Improbability, Part 2

CEF Level: Intermediate

1 Must v Have to, Part 1                  5 Mustn't v Don't have to, Part 1

2 Must v Have to, Part 2                  6 Mustn't v Don't have to, Part 2

3 Must v Can't, Part 1                    7 Necessity and Obligation, Part 1

4 Must v Can't, Part 2                    8 Necessity and Obligation, Part 2

CEF Levels: Intermediate / Upper-Intermediate

1 Must v Have to, Part 1                  5 Perfect Aspect, Part 1

2 Must v Have to, Part 2                  6 Perfect Aspect, Part 2

3 Mustn't v Don't have to, Part 1         7 British v American English, Part 1

4 Mustn't v Don't have to, Part 2         8 British v American English, Part 2