| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [det] [noun] [be] | 871 |
|
| 2 | [vb past] at [det] [noun] | 801 |
|
| 3 | [vb past] [det] [noun] [be] | 553 |
|
| 4 | [vb past] at [noun] [be] | 58 |
|
| 5 | [vb past] at [det] [be] | 5 |
|
