| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [det] [noun] [be] [verb] | 229 |
|
| 2 | [vb past] [det] [noun] [be] [verb] | 145 |
|
| 3 | [vb past] at [det] [noun] [verb] | 41 |
|
| 4 | [vb past] at [det] [noun] [be] | 28 |
|
| 5 | [vb past] at [noun] [be] [verb] | 9 |
|
