| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] know [Wh adv] it [is] [verb] | 16 |
|
| 2 | [not/n't] know [Wh adv] it [is] [verb] | 15 |
|
| 3 | not know [Wh adv] it [is] [verb] | 15 |
|
| 4 | n't know [Wh adv] it [is] [verb] | 12 |
|
| 5 | know [Wh adv] [adj] it [is] [verb] | 10 |
|
| 6 | know [Wh adv] [adj] it [is] [verb] | 8 |
|
| 7 | know [Wh adv] it [is] [verb] [prep] | 6 |
|
