| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] know how [adv] the [noun sg] | 8 |
|
| 2 | not know how [adv] the [noun sg] | 8 |
|
| 3 | [adv] know how [adv] the [noun sg] | 8 |
|
| 4 | n't know how [adv] the [noun sg] | 6 |
|
