| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] as a [noun sg] | 4765 |
|
| 2 | [adv] as a [noun sg] | 3382 |
|
| 3 | once [prep] a [noun sg] | 411 |
|
| 4 | once as [art] [noun sg] | 19 |
|
| 5 | once as a [noun sg] | 17 |
|
| 6 | once as a [noun] | 17 |
|
