| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] [adv] know about | 11 |
|
| 2 | [pron] [verb] n't know about | 9 |
|
| 3 | [pron] [verb] not know about | 9 |
|
| 4 | [pron] [verb] [not/n't] know about | 9 |
|
| 5 | [pron] [verb] know [adv] about | 6 |
|
| 6 | [pron] [verb] know [adv] about | 6 |
|
