| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [ex0] have been a [adj] | 1105 |
|
| 2 | [ex0] have been [adv] [adj] | 293 |
|
| 3 | have been [adv] a [adj] | 174 |
|
| 4 | [ex0] have been [adv] a | 70 |
|
