| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to a [noun] | 31250 |
|
| 2 | [prep] a period | 2137 |
|
| 3 | [prep] a period | 2137 |
|
| 4 | to [art] period | 166 |
|
| 5 | to [art] period | 166 |
|
| 6 | to a period | 63 |
|
| 7 | to a period | 63 |
|
