| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not know what [verb] i [vb infin] | 5 |
|
| 2 | [not/n't] know what [verb] i [vb infin] | 5 |
|
| 3 | [adv] know what [verb] i [vb infin] | 5 |
|
| 4 | n't know what [verb] i [vb infin] | 5 |
|
