| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [noun] [prep] a [adj] | 7504 |
|
| 2 | [noun] [prep] a [adj] period | 704 |
|
| 3 | [noun sg] [prep] a [adj] period | 476 |
|
| 4 | [noun sg] [noun] [prep] a period | 85 |
|
