| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] once [coord] twice | 81 |
|
| 2 | [adv] once or [adv] | 70 |
|
| 3 | [adv] once [coord] [adv] | 64 |
|
| 4 | only once [coord] [adv] | 20 |
|
| 5 | only once [coord] [adv] | 20 |
|
| 6 | not once [coord] [adv] | 14 |
|
| 7 | not once [coord] [adv] | 14 |
|
| 8 | [not/n't] once [coord] [adv] | 14 |
|
| 9 | [adv prt] once [coord] [adv] | 13 |
|
| 10 | [adv] once but [adv] | 13 |
|
| 11 | [adv] once and [adv] | 9 |
|
| 12 | least once [coord] [adv] | 6 |
|
| 13 | least once [coord] [adv] | 6 |
|
