| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | then [pron] must [vb infin] | 331 |
|
| 2 | then one [modal v] [vb infin] | 63 |
|
| 3 | [adv] one must [vb infin] | 37 |
|
| 4 | then one must [verb] | 11 |
|
