| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] [det] | 11403 |
|
| 2 | then [vb past] [prep] | 1676 |
|
| 3 | then [prep] [det] | 322 |
|
| 4 | then [vb past] [det] | 253 |
|
