| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [prep] [noun prp] [prep] a [noun] | 62 |
|
| 2 | [be] at [noun] [prep] a [noun] | 53 |
|
| 3 | [be] at [noun prp] [prep] [art] [noun] | 22 |
|
