| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [verb] as a | 1100 |
|
| 2 | not [verb] as a | 362 |
|
| 3 | not [been] [verb] a | 32 |
|
| 4 | not [been] [verb] as | 29 |
|
