| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] must [verb] [adv] | 851 |
|
| 2 | [pers pn] must [vb infin] [adv] | 849 |
|
| 3 | [pers pn] [modal v] know [adv] | 167 |
|
| 4 | [pers pn] must know [adv] | 49 |
|
| 5 | [pers pn] must know [adv] | 9 |
|
| 6 | [pron] must know [adv] | 9 |
|
