| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] for [adv] [art] | 55 |
|
| 2 | [coord] [prep] once [art] | 24 |
|
| 3 | [coord] [prep] once [art] | 24 |
|
| 4 | [conj] for once [art] | 17 |
|
| 5 | [coord] for once [art] | 13 |
|
