| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [pers pn] must [verb] | 19 |
|
| 2 | it [pers pn] must [vb infin] | 19 |
|
| 3 | it [pers pn] must [verb] | 19 |
|
| 4 | it we must [verb] | 5 |
|
| 5 | it i must [verb] | 5 |
|
