| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] not [adv] know [conj] | 28 |
|
| 2 | it [is] not [adv] [verb] whether | 15 |
|
| 3 | [pron] [is] not [adv] know whether | 13 |
|
| 4 | it [be] not [adv] know whether | 13 |
|
| 5 | it [is] [adv] [adv] know whether | 13 |
|
| 6 | it [is] not [adv] know whether | 13 |
|
