| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] know about [det] [noun] | 45 |
|
| 2 | [Wh pn] [verb] about [det] [noun] | 13 |
|
| 3 | [Wh pn] know about [adj] [noun] | 9 |
|
| 4 | [Wh pn] know [prep] [det] [noun] | 7 |
|
