| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | does [not/n't] know [prep] | 47 |
|
| 2 | [vb -s] n't know [prep] | 37 |
|
| 3 | [vb -s] [not/n't] know about | 35 |
|
| 4 | [vb -s] not know [prep] | 10 |
|
