| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [conj] [verb] | 16201 |
|
| 2 | then [vb past] [verb] | 970 |
|
| 3 | then [vb past] [conj] | 558 |
|
| 4 | then [conj] [verb] | 244 |
|
