| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] not know [Wh det] is | 67 |
|
| 2 | do [adv] know [Wh det] is | 67 |
|
| 3 | [verb] [not/n't] know [Wh det] is | 67 |
|
| 4 | do [adv] know [Wh det] is | 66 |
|
| 5 | [vb base] [adv] know [Wh det] is | 66 |
|
| 6 | [verb] n't know [Wh det] is | 52 |
|
| 7 | [verb] [adv] know what is | 50 |
|
| 8 | [verb] [adv] know which is | 17 |
|
| 9 | [verb] not know [Wh det] is | 15 |
|
