| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [noun prp] [verb] [adv] | 99 |
|
| 2 | know [noun prp] [verb] [adv] | 45 |
|
| 3 | know why [noun prp] [verb] | 29 |
|
| 4 | know why [verb] [adv] | 6 |
|
