| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but which may [verb] | 14 |
|
| 2 | but which may [vb infin] | 14 |
|
| 3 | but which may [verb] | 14 |
|
| 4 | but which may have | 5 |
|
| 5 | but which may have | 5 |
|
