| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] often [verb] | 1587 |
|
| 2 | [adv] [adv] did | 1035 |
|
| 3 | [adv] [adv] did | 550 |
|
| 4 | [adv] often [vb past] | 141 |
|
| 5 | [adv] often do | 60 |
|
| 6 | [adv] often did | 38 |
|
| 7 | [adv] often did | 21 |
|
