| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | more [adv] [subord] a | 41 |
|
| 2 | [adv] [subord] once a | 36 |
|
| 3 | more [subord] once a | 21 |
|
| 4 | more [adv] [subord] once | 9 |
|
