| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [pers pn] must [vb infin] | 102 |
|
| 2 | [was/were] [vb pp] [pers pn] must | 14 |
|
| 3 | [was/were] [vb pp] [pers pn] [vb infin] | 5 |
|
