| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] which [verb] been | 1370 |
|
| 2 | and [noun pl] which [verb] | 1014 |
|
| 3 | and [noun pl] [verb] been | 767 |
|
| 4 | and which [verb] been | 80 |
|
