| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | then [vb past] and [verb] | 182 |
|
| 2 | but then [vb past] [verb] | 36 |
|
| 3 | but [vb past] and [verb] | 35 |
|
| 4 | but then [vb past] and | 5 |
|
