| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do not know [adv] [pron] | 1450 |
|
| 2 | do not [verb] how [pron] | 595 |
|
| 3 | do not [vb infin] how [pron] | 595 |
|
| 4 | do not know how [pron] | 507 |
|
| 5 | [verb] not know how [pron] | 507 |
|
| 6 | do [adv] know how [pron] | 443 |
|
| 7 | [vb base] not know how [pron] | 443 |
|
| 8 | do not know how [pron] | 443 |
|
