| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] have been | 4599 |
|
| 2 | [modal v] [adv] have to | 362 |
|
| 3 | [modal v] have been to | 32 |
|
| 4 | [adv] have been to | 22 |
|
