| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | than [adv] [prep] a [noun] | 33 |
|
| 2 | [conj] once [prep] a [noun] | 32 |
|
| 3 | than [adv] [prep] a [noun] | 31 |
|
| 4 | than once [prep] [art] [noun] | 26 |
|
| 5 | than once [prep] a [noun] | 10 |
|
