| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb past] [verb] [det] | 1199 |
|
| 2 | if i [vb past] [verb] | 1003 |
|
| 3 | if i [verb] [det] | 396 |
|
| 4 | if i [vb past] [det] | 165 |
|
