| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which is why [noun] [noun] | 15 |
|
| 2 | which is why [noun prp] [noun] | 9 |
|
| 3 | which is why [noun] [noun prp] | 8 |
|
| 4 | which is why [noun sg] [noun] | 5 |
|
