| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have be [verb] an | 9 |
|
| 2 | which have been [verb] an | 9 |
|
| 3 | which has be [verb] an | 7 |
|
| 4 | which have be [vb pp] an | 6 |
|
