| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [num ord] [noun] | 19870 |
|
| 2 | at [pron] [noun] | 16220 |
|
| 3 | at [num ord] [noun] | 2014 |
|
| 4 | at [pron] [num ord] | 421 |
|
