| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [adv] a [noun] | 202 |
|
| 2 | [det] [adv] a [noun] | 143 |
|
| 3 | [adj] once a [noun] | 26 |
|
| 4 | [det] once [art] [noun] | 8 |
|
| 5 | [det] once a [noun] | 7 |
|
