| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [pron] [verb] [prep] [det] | 606 |
|
| 2 | [pron] [verb] been [prep] [det] | 389 |
|
| 3 | if [pron] [verb] been [prep] | 176 |
|
| 4 | if [pron] [verb] been [det] | 91 |
|
