| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [noun] [prep] a [adj] | 5152 |
|
| 2 | [noun] [prep] a [adj] period | 704 |
|
| 3 | [pron] [prep] a [adj] period | 39 |
|
| 4 | [pron] [noun] [prep] a period | 36 |
|
