| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] when | 417 |
|
| 2 | [noun] to know [adv] | 154 |
|
| 3 | [noun] [to-vb] when | 105 |
|
| 4 | [noun] know when | 93 |
|
