| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [det] [noun] | 669 |
|
| 2 | [vb past] [det] [noun] at | 336 |
|
| 3 | it [vb past] [noun] at | 22 |
|
| 4 | it [det] [noun] at | 15 |
|
