| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | were [verb] in an | 147 |
|
| 2 | were [vb pp] in an | 140 |
|
| 3 | were killed in an | 18 |
|
| 4 | were kill in an | 18 |
|
| 5 | were [v-ing] in an | 6 |
|
| 6 | were engaged in an | 5 |
|
| 7 | were engage in an | 5 |
|
