| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must [vb infin] | 19989 |
|
| 2 | [pron] must never | 162 |
|
| 3 | must never [vb infin] | 140 |
|
| 4 | [pron] never [vb infin] | 84 |
|
