| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must be [verb] | 1448 |
|
| 2 | it be [indef pn] [verb] | 446 |
|
| 3 | it must be [indef pn] | 50 |
|
| 4 | must be [indef pn] [verb] | 25 |
|
