| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv] [art] | 22369 |
|
| 2 | then [vb past] [adv] | 3311 |
|
| 3 | then [vb past] [art] | 2440 |
|
| 4 | then [adv] [art] | 432 |
|
