| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at a [noun] | 4020 |
|
| 2 | were [verb] a [noun] | 1072 |
|
| 3 | were [verb] at [noun] | 724 |
|
| 4 | were [verb] at a | 222 |
|
| 5 | were at a [noun] | 52 |
|
