| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [adv] a [noun sg] | 209 |
|
| 2 | [det] have been a [noun sg] | 81 |
|
| 3 | [det] have been [adv] a | 12 |
|
| 4 | [det] have [adv] a [noun sg] | 5 |
|
