| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they were [verb] a | 378 |
|
| 2 | they were [verb] at | 254 |
|
| 3 | were [verb] at a | 222 |
|
| 4 | they [verb] at a | 110 |
|
| 5 | they were at a | 10 |
|
