| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this [vb mod] explain [adv] [noun] | 6 |
|
| 2 | this [vb mod] explain why [noun] | 6 |
|
| 3 | this [vb mod] explain why [noun] | 6 |
|
| 4 | this [vb mod] explain [Wh adv] [noun] | 6 |
|
