| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [adv] [vb pp] | 14120 |
|
| 2 | [adv] often [vb pp] | 804 |
|
| 3 | have often [vb pp] | 341 |
|
| 4 | have [adv] often | 46 |
|
