| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] once | 4645 |
|
| 2 | at once | 3745 |
|
| 3 | at once | 3745 |
|
| 4 | for once | 718 |
|
| 5 | for once | 718 |
|
| 6 | to once | 45 |
|
| 7 | to once | 45 |
|
| 8 | of once | 34 |
|
| 9 | of once | 34 |
|
| 10 | without once | 21 |
|
| 11 | without once | 21 |
|
| 12 | with once | 17 |
|
| 13 | with once | 17 |
|
| 14 | in once | 15 |
|
| 15 | in once | 15 |
|
| 16 | from once | 9 |
|
| 17 | on once | 9 |
|
| 18 | on once | 9 |
|
| 19 | from once | 9 |
|
| 20 | by once | 7 |
|
| 21 | by once | 7 |
|
| 22 | except once | 5 |
|
| 23 | except once | 5 |
|
