| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know why [noun prp] [verb] not [vb infin] | 5 |
|
| 2 | know why [noun prp] [verb] n't [vb infin] | 5 |
|
| 3 | know why [noun prp] [verb] [not/n't] [vb infin] | 5 |
|
| 4 | know why [noun prp] do [adv] [vb infin] | 5 |
|
