| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and which [vb mod] [vb infin] been [verb] | 9 |
|
| 2 | and which [vb mod] have been [verb] | 9 |
|
| 3 | and which [vb mod] have been [verb] | 9 |
|
| 4 | and which [vb mod] [verb] been [vb pp] | 8 |
|
