| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] if [pron] | 5198 |
|
| 2 | ask if [pron] | 1278 |
|
| 3 | ask [pron] [pron] | 1274 |
|
| 4 | ask [pron] if | 837 |
|
