| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] have been [vb pp] as a | 32 |
|
| 2 | [adv] have been [verb] as a | 26 |
|
| 3 | [adv] have been [verb] as a | 26 |
|
| 4 | not have been [verb] as a | 6 |
|
| 5 | [not/n't] have been [verb] as a | 6 |
|
| 6 | [adv] have been used as a | 5 |
|
| 7 | not have been [verb] as a | 5 |
|
| 8 | [adv] have been use as a | 5 |
|
