| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | or [adv] a [noun] | 718 |
|
| 2 | [conj] [adv] a year | 130 |
|
| 3 | or [adv] [art] year | 52 |
|
| 4 | or [adv] a year | 52 |
|
