| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [adj] [noun sg] | 7396 |
|
| 2 | are a [adj] [noun sg] | 2205 |
|
| 3 | are at [adj] [noun sg] | 99 |
|
| 4 | are at a [noun sg] | 58 |
|
| 5 | are at a [adj] | 35 |
|
