| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] if [pers pn] [verb] [prep] | 616 |
|
| 2 | [verb] if [pers pn] [vb base] [prep] | 355 |
|
| 3 | [verb] [conj] [pers pn] know [prep] | 38 |
|
| 4 | [verb] if [pers pn] know [prep] | 16 |
|
| 5 | [verb] if [pron] know [prep] | 11 |
|
