| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pers pn] [modal v] [vb infin] | 7375 |
|
| 2 | [verb] [pers pn] must [vb infin] | 1187 |
|
| 3 | [vb past] [pron] must [vb infin] | 347 |
|
| 4 | [vb past] [pers pn] must [verb] | 330 |
|
