| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] at once | 336 |
|
| 2 | [pers pn] at once | 291 |
|
| 3 | it at [adv] | 168 |
|
| 4 | it at [adv] | 167 |
|
| 5 | it [prep] once | 78 |
|
| 6 | it [prep] once | 78 |
|
| 7 | it at once | 72 |
|
| 8 | it at once | 72 |
|
| 9 | it at once | 72 |
|
