| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [noun] [prep] a | 6457 |
|
| 2 | [noun] [prep] a period | 832 |
|
| 3 | [coord] [prep] a period | 47 |
|
| 4 | [coord] [noun] [prep] period | 5 |
|
