| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] must be [vb pp] [that] | 588 |
|
| 2 | [pers pn] be [vb pp] [adv] [that] | 148 |
|
| 3 | [pers pn] must be [vb pp] [adv] | 114 |
|
| 4 | must be [vb pp] [adv] [that] | 42 |
|
