| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] or [adv] [subord] | 61 |
|
| 2 | [adv] or [adv] [subord] | 56 |
|
| 3 | once or [adv] [conj] | 36 |
|
| 4 | once [conj] [adv] [subord] | 13 |
|
| 5 | once [coord] [adv] [subord] | 12 |
|
| 6 | once or [adv] [subord] | 10 |
|
| 7 | once or [adv] [subord] | 10 |
|
| 8 | once or [adv] [subord] | 10 |
|
