| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [noun sg] once [prep] a | 15 |
|
| 2 | [art] [noun sg] once [prep] a | 15 |
|
| 3 | the [noun sg] once [prep] a | 8 |
|
| 4 | the [noun sg] once [prep] a | 8 |
|
| 5 | a [noun sg] once [prep] a | 7 |
|
| 6 | [adj] [noun sg] once [prep] a | 6 |
|
| 7 | a [noun sg] once [prep] a | 5 |
|
| 8 | [noun sg] [prep] once [prep] a | 6 |
|
| 9 | [noun sg] [prep] once [prep] a | 6 |
|
| 10 | [noun sg] [verb] once [prep] a | 5 |
|
| 11 | [noun sg] once [verb] [prep] a | 12 |
|
| 12 | [noun sg] once [adv] [prep] a | 8 |
|
| 13 | [noun sg] once [adv] [prep] a | 8 |
|
| 14 | [noun sg] once [vb past] [prep] a | 7 |
|
| 15 | [noun sg] once more [prep] a | 6 |
|
| 16 | [noun sg] once more [prep] a | 6 |
|
| 17 | [noun sg] once [prep] a [noun] | 26 |
|
| 18 | [noun sg] once [prep] a [noun sg] | 26 |
|
| 19 | [noun sg] once [prep] a while | 10 |
|
| 20 | [noun sg] once [prep] a while | 10 |
|
