| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] such a period | 8 |
|
| 2 | [noun] [prep] [det] a period | 8 |
|
| 3 | [noun] [prep] [adj] a period | 8 |
|
| 4 | [noun] [prep] such a period | 8 |
|
| 5 | [noun] [prep] [adj] a period | 8 |
|
| 6 | [noun] [prep] [adj] a period | 8 |
|
| 7 | [noun sg] [prep] [adj] a period | 7 |
|
| 8 | [noun] of [adj] a period | 5 |
|
| 9 | [noun] of [adj] a period | 5 |
|
