| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] a [adj] [noun] | 100950 |
|
| 2 | [noun] [prep] a [adj] [noun sg] | 95188 |
|
| 3 | [noun] [prep] [art] [adj] period | 2259 |
|
| 4 | [noun] [prep] [art] [adj] period | 2259 |
|
| 5 | [noun] [prep] a [adj] period | 868 |
|
| 6 | [noun] [prep] a [adj] period | 766 |
|
| 7 | [noun] [prep] a [adj] period | 766 |
|
