| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] [prep] [noun] | 193133 |
|
| 2 | about [noun] [prep] [noun] | 510 |
|
| 3 | [prep] about [noun] [prep] | 349 |
|
| 4 | [prep] about [noun] [noun] | 42 |
|
