| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [verb] [adv] | 941 |
|
| 2 | [modal v] have [verb] [adv] [det] | 271 |
|
| 3 | [modal v] have been [verb] [det] | 83 |
|
| 4 | [modal v] have been [adv] [det] | 75 |
|
| 5 | have been [verb] [adv] [det] | 26 |
|
