| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must be [verb] that [adv] | 17 |
|
| 2 | [pers pn] must be [verb] that [adv] | 17 |
|
| 3 | [pers pn] must be [vb pp] that [adv] | 17 |
|
| 4 | [pers pn] must be [verb] that [adv] | 17 |
|
| 5 | [pers pn] must be [verb] that even | 7 |
|
