| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [not/n't] know [prep] [det] | 14 |
|
| 2 | be [not/n't] known [prep] [det] | 12 |
|
| 3 | be not know [prep] [det] | 12 |
|
| 4 | be [not/n't] know at [det] | 5 |
|
| 5 | be [not/n't] know at [det] | 5 |
|
| 6 | was [not/n't] know [prep] [det] | 5 |
|
| 7 | is [not/n't] know [prep] [det] | 5 |
|
