| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] know [subord] it [is] [prep] | 14 |
|
| 2 | [not/n't] know [subord] it [is] [prep] | 14 |
|
| 3 | not know [subord] it [is] [prep] | 14 |
|
| 4 | n't know [subord] it [is] [prep] | 13 |
|
| 5 | [adv] know [subord] it 's [prep] | 11 |
|
| 6 | [adv] know if it [is] [prep] | 8 |
|
| 7 | [adv] know [subord] it [is] worth | 6 |
|
| 8 | [adv] know whether it [is] [prep] | 6 |
|
