| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb base] been [verb] as a | 7 |
|
| 2 | they [vb base] been [vb pp] as a | 6 |
|
| 3 | they [vb base] been [verb] as a | 6 |
|
| 4 | they have been [verb] as a | 6 |
|
