| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at [prep] [adj] | 337 |
|
| 2 | [verb] at once [prep] | 150 |
|
| 3 | [verb] once [prep] [adj] | 43 |
|
| 4 | [verb] at once [adj] | 28 |
|
| 5 | at once [prep] [adj] | 28 |
|
