| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if he did [verb] | 89 |
|
| 2 | if he [verb] know | 57 |
|
| 3 | if he [vb past] know | 51 |
|
| 4 | if [pron] did know | 16 |
|
| 5 | [conj] he did know | 13 |
|
| 6 | if he do know | 7 |
|
