| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but it [is] not know [conj] | 11 |
|
| 2 | but it [is] not know [subord] | 11 |
|
| 3 | but it [is] not know whether | 7 |
|
| 4 | but it [is] not know whether | 7 |
|
