| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [prep] [noun] [prep] a [noun] | 559 |
|
| 2 | [adj] [prep] [noun] [prep] a [noun sg] | 528 |
|
| 3 | [adj] [prep] [noun] [prep] [art] period | 18 |
|
| 4 | [adj] [prep] [noun] [prep] a period | 13 |
|
| 5 | [adj] [prep] [noun] [prep] a period | 11 |
|
| 6 | [adj] [prep] [noun] [prep] a period | 11 |
|
