| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if they [verb] | 8869 |
|
| 2 | if [pron] know | 1484 |
|
| 3 | if [pers pn] know | 1422 |
|
| 4 | [conj] they know | 958 |
|
| 5 | if they know | 155 |
|
