| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | were [verb] [verb] a | 641 |
|
| 2 | [verb] [verb] at a | 570 |
|
| 3 | were [verb] at a | 222 |
|
| 4 | were [verb] [verb] at | 114 |
|
