| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [was/were] a period | 67 |
|
| 2 | there [was/were] a period | 44 |
|
| 3 | [ex0] [was/were] a period | 44 |
|
| 4 | there [was/were] a period | 44 |
|
| 5 | [adj] [was/were] a period | 38 |
|
| 6 | [pers pn] [was/were] a period | 23 |
|
| 7 | it [was/were] a period | 23 |
|
| 8 | it [was/were] a period | 23 |
|
| 9 | [num] [was/were] a period | 19 |
|
| 10 | [det] [was/were] a period | 18 |
|
| 11 | this [was/were] a period | 18 |
|
| 12 | this [was/were] a period | 18 |
|
| 13 | [noun] [was/were] a period | 17 |
|
| 14 | [noun sg] [was/were] a period | 8 |
|
| 15 | [noun pl] [was/were] a period | 6 |
|
| 16 | [was/were] [adv] a period | 20 |
|
| 17 | [was/were] [adv] a period | 15 |
|
| 18 | [was/were] [prep] a period | 8 |
|
| 19 | [was/were] [prep] a period | 8 |
|
| 20 | [was/were] also a period | 7 |
|
| 21 | [was/were] also a period | 7 |
|
| 22 | [was/were] [verb] a period | 5 |
|
| 23 | [was/were] not a period | 5 |
|
| 24 | [was/were] not a period | 5 |
|
| 25 | [was/were] in a period | 5 |
|
| 26 | [was/were] [not/n't] a period | 5 |
|
| 27 | [was/were] in a period | 5 |
|
| 28 | [was/were] a [adj] period | 37 |
|
| 29 | [was/were] a [adj] period | 31 |
|
| 30 | [was/were] a [adj -er] period | 6 |
|
