| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [prep] knowing | 22 |
|
| 2 | it be [prep] knowing | 22 |
|
| 3 | it be worth knowing | 19 |
|
| 4 | it be worth knowing | 19 |
|
| 5 | it be [adv] knowing | 7 |
|
