| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [vb pp] for a [adj] [noun] | 183 |
|
| 2 | [was/were] [vb pp] for a [adj] [noun sg] | 168 |
|
| 3 | [be] [vb pp] for a [adj] period | 67 |
|
| 4 | [was/were] [vb pp] [prep] a [adj] period | 33 |
|
| 5 | [was/were] [vb pp] [prep] a [adj] period | 33 |
|
| 6 | [was/were] [verb] for a [adj] period | 12 |
|
| 7 | [was/were] [vb pp] for a [adj] period | 11 |
|
| 8 | [was/were] [vb pp] for a [adj] period | 11 |
|
| 9 | [was/were] [vb pp] for [art] [adj] period | 11 |
|
