| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] and for [det] | 305 |
|
| 2 | once and [prep] [det] | 278 |
|
| 3 | once and for [adj] | 275 |
|
| 4 | once [conj] for [det] | 274 |
|
