| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [vb pp] [prep] [art] [adj] period | 36 |
|
| 2 | was [verb] [prep] a [adj] period | 24 |
|
| 3 | was [verb] [prep] the [adj] period | 13 |
|
| 4 | was [verb] for [art] [adj] period | 10 |
|
| 5 | was [verb] in [art] [adj] period | 7 |
|
| 6 | was [verb] [prep] [art] long period | 6 |
|
| 7 | was [verb] over [art] [adj] period | 6 |
|
| 8 | was [verb] by [art] [adj] period | 5 |
|
