| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | then [pron] [modal v] [adv] | 656 |
|
| 2 | by then [pron] [modal v] | 55 |
|
| 3 | by [pron] [modal v] [adv] | 15 |
|
| 4 | by then [pron] [adv] | 5 |
|
