| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] | 1180965 |
|
| 2 | a [noun sg] | 1131517 |
|
| 3 | [art] period | 7845 |
|
| 4 | [art] period | 7845 |
|
| 5 | a period | 3270 |
|
| 6 | a period | 3269 |
|
