| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] [adv] [prep] a [noun] | 1246 |
|
| 2 | [was/were] [verb] [adv] [prep] a [noun sg] | 1167 |
|
| 3 | [be] [verb] [adv] [prep] a period | 30 |
|
| 4 | [was/were] [verb] [adv] [prep] [art] period | 9 |
|
| 5 | [was/were] [verb] [adv] [prep] [art] period | 9 |
|
| 6 | [was/were] [verb] [adv] [prep] a period | 6 |
|
| 7 | [was/were] [verb] [adv] [prep] a period | 6 |
|
| 8 | [was/were] [verb] [adv] [prep] a period | 6 |
|
