| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [verb] be [adv] | 543 |
|
| 2 | [verb] be [indef pn] [adv] | 116 |
|
| 3 | must [verb] be [indef pn] | 55 |
|
| 4 | must be [indef pn] [adv] | 31 |
|
| 5 | must [verb] [indef pn] [adv] | 17 |
|
