| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [adj] [noun] | 9825 |
|
| 2 | [am/are] a [adj] [noun] | 5101 |
|
| 3 | [am/are] at [adj] [noun] | 187 |
|
| 4 | [am/are] at a [noun] | 113 |
|
| 5 | [am/are] at a [adj] | 71 |
|
