| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at once [prep] | 278 |
|
| 2 | at once to | 68 |
|
| 3 | at once with | 36 |
|
| 4 | at once in | 35 |
|
| 5 | at once by | 30 |
|
| 6 | at once from | 18 |
|
| 7 | at once into | 18 |
|
| 8 | at once for | 16 |
|
| 9 | at once on | 11 |
|
| 10 | at once of | 10 |
|
| 11 | at once as | 5 |
|
| 12 | at once at | 5 |
|
| 13 | at once after | 5 |
|
