| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [num] [noun] [prep] [art] | 711 |
|
| 2 | a [num] [noun] period [prep] | 48 |
|
| 3 | [num] [noun] period [prep] [art] | 29 |
|
| 4 | a [noun] period [prep] [art] | 13 |
|
