| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it 's [prep] knowing | 11 |
|
| 2 | it 's [prep] knowing | 11 |
|
| 3 | it 's worth knowing | 8 |
|
| 4 | it 's worth knowing | 8 |
|
| 5 | it 's [adv] knowing | 5 |
|
