| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i know [adv] | 1831 |
|
| 2 | i know [Wh adv] | 934 |
|
| 3 | [pron] know when | 783 |
|
| 4 | i [verb] when | 365 |
|
| 5 | i know when | 116 |
|
