| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] know that | 147 |
|
| 2 | it is [adv] that [pron] | 146 |
|
| 3 | it is know that [pron] | 28 |
|
| 4 | is [adv] know that [pron] | 19 |
|
