| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] as a [noun] | 4948 |
|
| 2 | [adv] as a [noun] | 3524 |
|
| 3 | once [prep] a [noun] | 416 |
|
| 4 | once as [art] [noun] | 19 |
|
| 5 | once as a [noun] | 17 |
|
