| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] [Wh adv] the | 27 |
|
| 2 | must [verb] [Wh adv] the | 27 |
|
| 3 | must [verb] how the | 11 |
|
| 4 | must know [Wh adv] the | 9 |
|
| 5 | must know [Wh adv] the | 9 |
|
| 6 | must [verb] where the | 8 |
|
| 7 | must decide [Wh adv] the | 5 |
|
| 8 | must [verb] when the | 5 |
|
| 9 | must decide [Wh adv] the | 5 |
|
