| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] a [adj] period | 33 |
|
| 2 | [coord] a [adj] period | 28 |
|
| 3 | [noun] [coord] a period | 17 |
|
| 4 | [noun sg] [coord] a period | 12 |
|
| 5 | [adj] [coord] a period | 9 |
|
| 6 | [num] [coord] a period | 8 |
|
| 7 | [coord] [prep] a period | 47 |
|
| 8 | [coord] [prep] a period | 47 |
|
| 9 | [coord] [verb] a period | 22 |
|
| 10 | [coord] over a period | 20 |
|
| 11 | [coord] over a period | 20 |
|
| 12 | [coord] for a period | 14 |
|
| 13 | [coord] for a period | 14 |
|
| 14 | [coord] after a period | 8 |
|
| 15 | [coord] after a period | 8 |
|
| 16 | [coord] [vb past] a period | 6 |
|
| 17 | [coord] [v-ing] a period | 6 |
|
| 18 | [coord] [vb base] a period | 5 |
|
| 19 | [coord] a period [prep] | 43 |
|
| 20 | [coord] a period [prep] | 43 |
|
| 21 | [coord] a period of | 39 |
|
| 22 | [coord] a period of | 39 |
|
