| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | because [pers pn] [verb] [adv] know [adv] | 5 |
|
| 2 | because [pers pn] [verb] [not/n't] know [adv] | 5 |
|
| 3 | because [pers pn] [verb] not know [adv] | 5 |
|
