| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've [adv] [vb pp] | 10134 |
|
| 2 | 've [adv] [vb pp] | 9613 |
|
| 3 | [verb] often [vb pp] | 846 |
|
| 4 | have often [vb pp] | 821 |
|
| 5 | [vb base] often [vb pp] | 452 |
|
| 6 | 've often [verb] | 101 |
|
| 7 | 've often [vb pp] | 100 |
|
