| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at once into a | 6 |
|
| 2 | at once into a | 6 |
|
| 3 | [prep] once into a | 6 |
|
| 4 | [prep] once into a | 6 |
|
| 5 | once [verb] into a | 10 |
|
| 6 | once [adv] into a | 8 |
|
| 7 | once [adv] into a | 8 |
|
| 8 | once [vb past] into a | 5 |
|
| 9 | once [vb pp] into a | 5 |
|
