| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [pron] [modal v] [adv] | 1116 |
|
| 2 | know if [pron] [modal v] | 222 |
|
| 3 | know if [pron] [adv] | 29 |
|
| 4 | know [pron] [modal v] [adv] | 12 |
|
