| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at a [noun] | 4420 |
|
| 2 | were [verb] a [noun] | 1217 |
|
| 3 | were [verb] at [noun] | 724 |
|
| 4 | were [verb] at a | 268 |
|
| 5 | were at a [noun] | 63 |
|
