| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | then [pron] [modal v] [vb infin] | 5369 |
|
| 2 | then [pron] [vb mod] [vb infin] | 5369 |
|
| 3 | [adv] [pron] must [vb infin] | 1318 |
|
| 4 | then [pron] must [verb] | 332 |
|
| 5 | then [pron] must [vb infin] | 331 |
|
