| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [be] [verb] at the | 273 |
|
| 2 | it [be] [verb] at the | 205 |
|
| 3 | it [vb past] [be] [verb] at | 32 |
|
| 4 | it [vb past] [verb] at the | 22 |
|
| 5 | it [vb past] [be] at the | 15 |
|
| 6 | it [vb past] [be] [verb] the | 15 |
|
