| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] once [art] month | 63 |
|
| 2 | [adv] [subord] once [art] | 50 |
|
| 3 | [adv] [subord] [art] month | 31 |
|
| 4 | [subord] once [art] month | 13 |
|
