| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] a [noun] | 84968 |
|
| 2 | [conj] a [noun sg] | 81063 |
|
| 3 | [conj] [art] period | 309 |
|
| 4 | [conj] a period | 101 |
|
