| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] once [conj] a | 5 |
|
| 2 | [noun] once [conj] a | 5 |
|
| 3 | [noun sg] once [conj] a | 5 |
|
| 4 | once [verb] [conj] a | 9 |
|
| 5 | once [vb pp] [conj] a | 5 |
|
| 6 | once [conj] [adv] a | 110 |
|
| 7 | once [conj] [adv] a | 110 |
|
| 8 | once [conj] twice a | 109 |
|
| 9 | once [conj] twice a | 109 |
|
| 10 | once [conj] [verb] a | 13 |
|
| 11 | once [conj] a [noun] | 16 |
|
| 12 | once [conj] a [noun sg] | 15 |
|
| 13 | once [conj] a [adj] | 5 |
|
