| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [prep] a period | 18 |
|
| 2 | [prep] a [noun] [prep] a period | 18 |
|
| 3 | [verb] a [noun] [prep] a period | 11 |
|
| 4 | in a [noun] [prep] a period | 6 |
|
| 5 | in a [noun] [prep] a period | 6 |
|
| 6 | [noun] a [noun] [prep] a period | 5 |
|
| 7 | a [adj] [noun] [prep] a period | 34 |
|
| 8 | a [adj] [noun] [prep] a period | 32 |
|
| 9 | a [noun] [noun] [prep] a period | 9 |
|
| 10 | a [noun sg] [noun] [prep] a period | 8 |
|
| 11 | a [noun] [noun] [prep] a period | 9 |
|
| 12 | a [noun] [noun sg] [prep] a period | 9 |
|
| 13 | a [noun] [prep] a [adj] period | 46 |
|
| 14 | a [noun] [prep] a [adj] period | 41 |
|
| 15 | a [noun] [prep] a long period | 6 |
|
| 16 | a [noun] [prep] a fixed period | 6 |
|
| 17 | a [noun] [prep] a fixed period | 6 |
|
| 18 | a [noun] [prep] a [adj -er] period | 5 |
|
| 19 | a [noun] [prep] a long period | 5 |
|
| 20 | a [noun] [prep] a period [prep] | 33 |
|
| 21 | a [noun] [prep] a period [prep] | 33 |
|
| 22 | a [noun] [prep] a period of | 32 |
|
| 23 | a [noun] [prep] a period of | 32 |
|
