| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] were [verb] at | 1268 |
|
| 2 | [noun pl] were [verb] a | 501 |
|
| 3 | [noun pl] [verb] at a | 395 |
|
| 4 | were [verb] at a | 222 |
|
| 5 | [noun pl] were at a | 32 |
|
