| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [adj] | 4803 |
|
| 2 | [modal v] [adv] have been | 2481 |
|
| 3 | [adv] have been [adj] | 884 |
|
| 4 | [modal v] [adv] have [adj] | 631 |
|
