| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] have been [verb] as a | 78 |
|
| 2 | [noun pl] have been [vb pp] as a | 76 |
|
| 3 | [noun pl] have been [verb] as a | 35 |
|
| 4 | [noun pl] has been [verb] as a | 24 |
|
| 5 | [noun pl] had been [verb] as a | 18 |
|
| 6 | [noun pl] have been use as a | 10 |
|
| 7 | [noun pl] have been used as a | 9 |
|
