| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have once [adv] [vb pp] [prep] | 13 |
|
| 2 | [noun] have once [adv] [vb pp] [prep] | 13 |
|
| 3 | [noun sg] have once [adv] [vb pp] [prep] | 7 |
|
| 4 | [noun] have once again [vb pp] [prep] | 7 |
|
| 5 | [noun] had once [adv] [vb pp] [prep] | 7 |
|
