| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [noun] [prep] a [noun] | 3241 |
|
| 2 | [noun] [noun] [prep] a period | 102 |
|
| 3 | [noun prp] [noun] [prep] [art] period | 48 |
|
| 4 | [noun prp] [noun] [prep] [art] period | 48 |
|
| 5 | [noun prp] [noun] [prep] a period | 14 |
|
