| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [noun] [be] [vb pp] at | 463 |
|
| 2 | [noun] [be] [vb pp] at each | 35 |
|
| 3 | [det] [noun] [be] [vb pp] each | 16 |
|
