| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [prep] a [adj] [noun] | 896 |
|
| 2 | [am/are] [prep] a [adj] [noun] | 896 |
|
| 3 | [be] at a [adj] [noun] | 377 |
|
| 4 | [am/are] at [art] [adj] [noun] | 174 |
|
| 5 | [am/are] at a [adj] [noun] | 64 |
|
