| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [conj] it [is] [adv] | 1994 |
|
| 2 | [to-vb] [conj] it [is] [adv] | 280 |
|
| 3 | know [conj] it [is] [adv] | 108 |
|
| 4 | to know [conj] [pron] [is] [adv] | 15 |
|
| 5 | to know [conj] it [be] [adv] | 9 |
|
