| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [noun] [prep] [art] | 4942 |
|
| 2 | about [noun] [prep] [art] | 404 |
|
| 3 | at about [noun] [prep] | 49 |
|
| 4 | at about [noun] [art] | 22 |
|
