| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] at their [adj] | 9 |
|
| 2 | were [verb] at their [adj] | 7 |
|
| 3 | [was/were] [vb pp] at their [adj] | 7 |
|
| 4 | [was/were] [v-ing] at their [adj] | 5 |
|
| 5 | was [verb] at their [adj] | 5 |
|
