| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [vb pp] [adv] at [noun] | 199 |
|
| 2 | it [was/were] [vb pp] at [noun] | 60 |
|
| 3 | it [was/were] [vb pp] [adv] at | 27 |
|
| 4 | it [was/were] [adv] at [noun] | 24 |
|
| 5 | it [was/were] [vb pp] [adv] [noun] | 17 |
|
