| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | then he [modal v] [vb infin] | 478 |
|
| 2 | then [pron] must [vb infin] | 331 |
|
| 3 | [adv] he must [vb infin] | 162 |
|
| 4 | then he must [verb] | 37 |
|
