| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [adj] [noun] [prep] a | 32089 |
|
| 2 | [art] [noun] [prep] a period | 190 |
|
| 3 | [adj] [noun] [prep] a period | 179 |
|
| 4 | [art] [adj] [noun] [prep] period | 17 |
|
