| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [adv] [prep] a | 3599 |
|
| 2 | [pron] [adv] [prep] a | 1439 |
|
| 3 | [pron] once [prep] [art] | 37 |
|
| 4 | [pron] once [prep] a | 20 |
|
| 5 | [pron] once [prep] a | 20 |
|
