| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] know [conj] | 229 |
|
| 2 | it is [adv] know [subord] | 79 |
|
| 3 | it is [adv] [verb] whether | 52 |
|
| 4 | it be [adv] know whether | 52 |
|
| 5 | it [be] [adv] know whether | 52 |
|
| 6 | [pers pn] is [adv] know whether | 48 |
|
| 7 | it [is] [adv] know whether | 48 |
|
| 8 | it is [adv] know whether | 48 |
|
| 9 | it is [adv] know whether | 48 |
|
| 10 | [pron] is [adv] know whether | 48 |
|
