| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [pron] [verb] | 79141 |
|
| 2 | [prep] [pron] [verb] | 52165 |
|
| 3 | [prep] if [pron] | 8878 |
|
| 4 | [prep] if [verb] | 1735 |
|
