| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been a [noun sg] | 795 |
|
| 2 | have been [adv] a [noun sg] | 209 |
|
| 3 | [modal v] have been [adv] a | 62 |
|
| 4 | [modal v] have [adv] a [noun sg] | 22 |
|
| 5 | [modal v] have been [adv] [noun sg] | 11 |
|
