| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do not know how [indef pn] | 7 |
|
| 2 | [verb] not know how [indef pn] | 7 |
|
| 3 | [vb base] not know how [indef pn] | 6 |
|
| 4 | do not know how [indef pn] | 6 |
|
| 5 | not know how [verb] [indef pn] | 6 |
|
| 6 | not know how [to-vb] [indef pn] | 6 |
|
| 7 | not know how [indef pn] [vb mod] | 5 |
|
| 8 | not know how [indef pn] [modal v] | 5 |
|
