| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] [prep] a [adj] [noun] | 6748 |
|
| 2 | [was/were] [verb] [prep] a [adj] [noun sg] | 6439 |
|
| 3 | [be] [verb] [prep] a [adj] period | 196 |
|
| 4 | [was/were] [verb] [prep] [art] [adj] period | 66 |
|
| 5 | [was/were] [verb] [prep] a [adj] period | 38 |
|
