| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have [been] [adv] [noun pl] | 6 |
|
| 2 | [modal v] have been [adv] [noun pl] | 6 |
|
| 3 | [modal v] have [been] [adv] [noun pl] | 5 |
|
