| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] [noun] 's [noun sg] [prep] | 61 |
|
| 2 | explain [noun] 's [noun sg] [prep] | 25 |
|
| 3 | explain [Wh adv] [noun] 's [noun sg] | 12 |
|
