| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [adv] be [vb pp] [prep] | 633 |
|
| 2 | [pers pn] must be [vb pp] [prep] | 488 |
|
| 3 | [pers pn] must [adv] be [vb pp] | 342 |
|
| 4 | [pers pn] [adv] be [vb pp] [prep] | 53 |
|
| 5 | [pers pn] must [adv] be [prep] | 38 |
|
