| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [adj] [noun] | 8312 |
|
| 2 | a [adj] [noun pl] [noun] | 2184 |
|
| 3 | at [adj] [noun pl] [noun] | 112 |
|
| 4 | at a [noun pl] [noun] | 90 |
|
| 5 | at a [adj] [noun pl] | 70 |
|
