| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have [adv] [vb pp] | 1747 |
|
| 2 | they have [adv] [vb pp] | 915 |
|
| 3 | [pron] have often [vb pp] | 159 |
|
| 4 | they [verb] often [vb pp] | 32 |
|
| 5 | they have often [vb pp] | 30 |
|
| 6 | they [vb base] often [vb pp] | 18 |
|
| 7 | they have often [vb pp] | 17 |
|
| 8 | they have often [verb] | 17 |
|
