| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [adv] | 10651 |
|
| 2 | [pron] must [adv] | 2234 |
|
| 3 | [pers pn] must [adv] | 1836 |
|
| 4 | it must [adv] | 542 |
|
| 5 | it must [adv] | 383 |
|
