| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [adv] [det] | 550 |
|
| 2 | have been [adv] a | 402 |
|
| 3 | have [adv] a [det] | 108 |
|
| 4 | have been a [det] | 63 |
|
| 5 | been [adv] a [det] | 43 |
|
