| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [coord] [adv] | 27103 |
|
| 2 | once [coord] [adv] | 541 |
|
| 3 | [adv] once [adv] | 393 |
|
| 4 | [adv] once [coord] | 187 |
|
