| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [be] [adv] why | 51 |
|
| 2 | which be [adv] why | 51 |
|
| 3 | which is [adv] why | 41 |
|
| 4 | which [is] [adv] why | 41 |
|
| 5 | which [be] probably why | 16 |
|
| 6 | which [be] perhaps why | 10 |
|
| 7 | which was [adv] why | 10 |
|
| 8 | which [was/were] [adv] why | 10 |
|
| 9 | which [be] precisely why | 5 |
|
