| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [adv] in a | 761 |
|
| 2 | [adv] once in [art] | 64 |
|
| 3 | [adv] once [prep] a | 40 |
|
| 4 | [adv] once [prep] a | 40 |
|
| 5 | [adv] once in a | 27 |
|
