| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they were [verb] at a | 18 |
|
| 2 | [pers pn] were [v-ing] at a | 17 |
|
| 3 | [pers pn] were [vb pp] at a | 16 |
|
| 4 | we were [verb] at a | 10 |
|
| 5 | [pers pn] were looking at a | 7 |
|
| 6 | [pers pn] were look at a | 7 |
|
