| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] at [noun] | 5964 |
|
| 2 | it [vb past] [noun] | 3243 |
|
| 3 | it at [noun] | 502 |
|
| 4 | it [vb past] at | 429 |
|
