| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the [adj] [was/were] a period | 13 |
|
| 2 | [art] [adj] [was/were] a period | 13 |
|
| 3 | [art] [adj] [was/were] a period | 13 |
|
| 4 | the [adj] [was/were] a period | 13 |
|
| 5 | [conj] [adj] [was/were] a period | 5 |
|
| 6 | [adj] [noun] [was/were] a period | 10 |
|
| 7 | [adj] [noun sg] [was/were] a period | 5 |
|
| 8 | [adj] [noun pl] [was/were] a period | 5 |
|
| 9 | [adj] [was/were] [adv] a period | 9 |
|
| 10 | [adj] [was/were] [adv] a period | 6 |
|
| 11 | [adj] [was/were] a [adj] period | 8 |
|
| 12 | [adj] [was/were] a [adj] period | 8 |
|
| 13 | [adj] [was/were] a period of | 26 |
|
| 14 | [adj] [was/were] a period [prep] | 26 |
|
| 15 | [adj] [was/were] a period [prep] | 26 |
|
| 16 | [adj] [was/were] a period of | 26 |
|
| 17 | [adj] [was/were] a period [adv] | 11 |
|
| 18 | [adj] [was/were] a period when | 11 |
|
| 19 | [adj] [was/were] a period [Wh adv] | 11 |
|
| 20 | [adj] [was/were] a period when | 11 |
|
