| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [coord] a [adj] period | 14 |
|
| 2 | [noun sg] [conj] a [adj] period | 12 |
|
| 3 | [noun] [conj] a [adj] period | 12 |
|
| 4 | [noun] and a [adj] period | 11 |
|
| 5 | [noun] and a [adj] period | 11 |
|
