| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] about [art] | 1734 |
|
| 2 | [prep] [noun] [Wh adv] [art] | 1671 |
|
| 3 | [noun] about [Wh adv] [art] | 187 |
|
| 4 | [prep] [noun] about [Wh adv] | 162 |
|
