| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | more [conj] once [prep] a | 8 |
|
| 2 | [adv] [conj] once [prep] a | 8 |
|
| 3 | more [conj] once [prep] a | 8 |
|
| 4 | [adv] [conj] once [prep] a | 8 |
|
| 5 | [verb] [conj] once [prep] a | 5 |
|
| 6 | [noun] [conj] once [prep] a | 5 |
|
| 7 | [conj] once [verb] [prep] a | 9 |
|
| 8 | [conj] once [vb pp] [prep] a | 9 |
|
| 9 | [conj] once [prep] a [noun] | 29 |
|
| 10 | [conj] once [prep] a [noun sg] | 27 |
|
| 11 | [conj] once [prep] a while | 11 |
|
| 12 | [conj] once [prep] a while | 11 |
|
| 13 | [conj] once [prep] a time | 5 |
|
| 14 | [conj] once [prep] a time | 5 |
|
