| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | than once [prep] a [noun] | 10 |
|
| 2 | than once [prep] a [noun sg] | 9 |
|
| 3 | [adv] than once [prep] a | 11 |
|
| 4 | more than once [prep] a | 11 |
|
| 5 | [adv] than once [prep] a | 11 |
|
| 6 | more than once [prep] a | 11 |
|
