| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it [is] [not/n't] known [conj] | 15 |
|
| 2 | [conj] it [is] [not/n't] known whether | 14 |
|
| 3 | [coord] it [be] [not/n't] known whether | 12 |
|
| 4 | [coord] it [is] [adv] known whether | 11 |
|
| 5 | [coord] [pron] [is] [not/n't] known whether | 11 |
|
| 6 | [coord] it [is] [not/n't] known whether | 11 |
|
| 7 | [coord] it [is] [not/n't] know whether | 11 |
|
| 8 | [coord] it [is] [not/n't] [vb pp] whether | 11 |
|
| 9 | [coord] it [is] [not/n't] [verb] whether | 11 |
|
| 10 | [coord] [pers pn] [is] [not/n't] known whether | 11 |
|
