| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] know why [noun] | 42 |
|
| 2 | [not/n't] [verb] why [noun pl] | 24 |
|
| 3 | [not/n't] know [adv] [noun pl] | 19 |
|
| 4 | [not/n't] know [Wh adv] [noun pl] | 18 |
|
| 5 | [adv] know why [noun pl] | 7 |
|
| 6 | [not/n't] know why [noun pl] | 6 |
|
