| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [noun prp] [verb] [adv] [vb infin] | 29 |
|
| 2 | know [noun prp] [verb] [adv] [vb infin] | 14 |
|
| 3 | know why [noun prp] [verb] [adv] | 7 |
|
