| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do not [verb] about | 1216 |
|
| 2 | [verb] not know about | 567 |
|
| 3 | do not know about | 558 |
|
| 4 | do not know [prep] | 531 |
|
| 5 | do not know [prep] | 531 |
|
| 6 | do [adv] know about | 347 |
|
| 7 | [vb base] not know about | 344 |
|
| 8 | do not know about | 343 |
|
