| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [vb pp] [prep] [art] [adj] | 10202 |
|
| 2 | [vb pp] [prep] [art] [adj] period | 441 |
|
| 3 | was [vb pp] [prep] [art] period | 46 |
|
| 4 | was [prep] [art] [adj] period | 5 |
|
