| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the [noun] [prep] a [adj] | 30922 |
|
| 2 | [noun] [prep] a [adj] period | 704 |
|
| 3 | the [noun] [prep] a period | 145 |
|
| 4 | the [noun] [prep] [adj] period | 5 |
|
