| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if i [vb past] not know [adv] | 13 |
|
| 2 | if i [verb] n't know [adv] | 12 |
|
| 3 | if i [verb] not know [adv] | 11 |
|
| 4 | if i do not know [adv] | 11 |
|
| 5 | if i did not know [adv] | 11 |
|
| 6 | if i [verb] not know better | 9 |
|
