| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [noun pl] which [verb] been | 57 |
|
| 2 | and [noun pl] which have been | 57 |
|
| 3 | and [noun pl] which have been | 38 |
|
| 4 | and [noun pl] which [vb base] been | 38 |
|
| 5 | and [noun pl] which [vb past] been | 15 |
|
| 6 | and [noun pl] which had been | 15 |
|
