| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [ex0] [be] [adv] a | 302 |
|
| 2 | [adv] [ex0] [be] [adv] a | 231 |
|
| 3 | [adv] [pron] [be] often a | 13 |
|
| 4 | [adv] [ex0] [be] often [art] | 7 |
|
| 5 | [adv] [ex0] [be] often a | 6 |
|
