| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | never know [pron] | 497 |
|
| 2 | [adv] know which | 250 |
|
| 3 | never know [Wh det] | 190 |
|
| 4 | never [verb] which | 21 |
|
| 5 | never know which | 13 |
|
