| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [vb pp] at [noun] | 2241 |
|
| 2 | [vb pp] at [noun] [prep] | 2082 |
|
| 3 | [was/were] [vb pp] [noun] [prep] | 1897 |
|
| 4 | [was/were] at [noun] [prep] | 438 |
|
| 5 | [was/were] [vb pp] at [prep] | 80 |
|
