| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but which have be [vb pp] | 21 |
|
| 2 | but which have been [verb] | 21 |
|
| 3 | but which have be [verb] | 21 |
|
| 4 | but which had be [verb] | 13 |
|
| 5 | but which has be [verb] | 5 |
|
