| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] or [adv] | 6504 |
|
| 2 | [adv] or [adv] | 5857 |
|
| 3 | once [conj] [adv] | 563 |
|
| 4 | once [coord] [adv] | 550 |
|
| 5 | once or [adv] | 461 |
|
| 6 | once or [adv] | 461 |
|
