| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | were [vb pp] [prep] | 44735 |
|
| 2 | [vb pp] [prep] an | 16678 |
|
| 3 | were [prep] an | 123 |
|
| 4 | were [vb pp] an | 88 |
|
