| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [adj] [noun] | 9825 |
|
| 2 | are a [adj] [noun] | 3226 |
|
| 3 | are at [adj] [noun] | 164 |
|
| 4 | are at a [noun] | 75 |
|
| 5 | are at a [adj] | 58 |
|
