| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [prep] once the | 15 |
|
| 2 | and [prep] once the | 15 |
|
| 3 | and at once the | 8 |
|
| 4 | and at once the | 8 |
|
| 5 | and for once the | 7 |
|
| 6 | and for once the | 7 |
|
