| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [pron] [adv] | 16789 |
|
| 2 | [pron] [adv] often | 427 |
|
| 3 | [subord] [pron] often | 238 |
|
| 4 | [subord] [adv] often | 190 |
|
