| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pos pn] [noun] [prep] a [adj] | 5532 |
|
| 2 | [noun] [prep] a [adj] period | 766 |
|
| 3 | [pos pn] [noun] [prep] [adj] period | 47 |
|
| 4 | [pos pn] [noun] [prep] a period | 36 |
|
