| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adv] [pers pn] | 2148 |
|
| 2 | it must be [adv] | 279 |
|
| 3 | it must be [pers pn] | 26 |
|
| 4 | must be [adv] [pers pn] | 17 |
|
