| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [was/were] [vb pp] for [adj] period | 5 |
|
| 2 | [was/were] [vb pp] for [art] [adj] period | 11 |
|
| 3 | [was/were] [vb pp] for a [adj] period | 11 |
|
| 4 | [was/were] [vb pp] for [art] [adj] period | 11 |
|
| 5 | [was/were] [vb pp] for a [adj] period | 9 |
|
| 6 | [was/were] [vb pp] for [adj] period [prep] | 5 |
|
| 7 | [was/were] [vb pp] for [adj] period [prep] | 5 |
|
