| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] know [adv] [noun pl] | 19 |
|
| 2 | [not/n't] know [Wh adv] [noun pl] | 18 |
|
| 3 | n't know [adv] [noun pl] | 15 |
|
| 4 | [not/n't] know how [noun pl] | 10 |
|
| 5 | [not/n't] know how [noun pl] | 10 |
|
| 6 | [not/n't] know why [noun pl] | 6 |
|
| 7 | [not/n't] know why [noun pl] | 6 |
|
| 8 | [not/n't] know [adv] things | 6 |
|
