| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [noun] once [prep] a | 16 |
|
| 2 | [art] [noun] once [prep] a | 16 |
|
| 3 | the [noun] once [prep] a | 9 |
|
| 4 | the [noun] once [prep] a | 9 |
|
| 5 | a [noun] once [prep] a | 7 |
|
| 6 | [adj] [noun] once [prep] a | 7 |
|
| 7 | [prep] [noun] once [prep] a | 6 |
|
| 8 | [prep] [noun] once [prep] a | 6 |
|
| 9 | a [noun] once [prep] a | 5 |
|
| 10 | [noun] [prep] once [prep] a | 13 |
|
| 11 | [noun] [prep] once [prep] a | 13 |
|
| 12 | [noun] [verb] once [prep] a | 10 |
|
| 13 | [noun] at once [prep] a | 9 |
|
| 14 | [noun] at once [prep] a | 9 |
|
| 15 | [noun] [conj] once [prep] a | 5 |
|
| 16 | [noun] once [verb] [prep] a | 30 |
|
| 17 | [noun] once [vb pp] [prep] a | 15 |
|
| 18 | [noun] once [adv] [prep] a | 14 |
|
| 19 | [noun] once [adv] [prep] a | 14 |
|
| 20 | [noun] once [vb past] [prep] a | 13 |
|
| 21 | [noun] once more [prep] a | 9 |
|
| 22 | [noun] once more [prep] a | 9 |
|
| 23 | [noun] once again [prep] a | 5 |
|
| 24 | [noun] once again [prep] a | 5 |
|
| 25 | [noun] once [prep] a [noun sg] | 39 |
|
| 26 | [noun] once [prep] a [noun] | 39 |
|
| 27 | [noun] once [prep] a while | 11 |
|
| 28 | [noun] once [prep] a while | 11 |
|
| 29 | [noun] once [prep] a time | 7 |
|
| 30 | [noun] once [prep] a time | 7 |
|
