| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] which [be] why | 5 |
|
| 2 | [adv] which [is] why | 5 |
|
| 3 | [adv] which be why | 5 |
|
| 4 | [adv] which is why | 5 |
|
