| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] have [vb pp] | 3248 |
|
| 2 | have often [vb pp] | 341 |
|
| 3 | [conj] often [vb pp] | 235 |
|
| 4 | [conj] have often | 19 |
|
