| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] [be] [prep] [noun] | 327 |
|
| 2 | [vb past] [prep] [be] [prep] [noun] | 327 |
|
| 3 | [verb] [prep] [be] at [noun] | 152 |
|
| 4 | [vb past] [prep] [be] at [noun] | 23 |
|
