| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [Wh adv] [verb] this [verb] | 8 |
|
| 2 | but [Wh adv] [verb] this [vb infin] | 8 |
|
| 3 | but [Wh adv] [verb] this [noun] | 5 |
|
| 4 | but [Wh adv] [verb] this [noun sg] | 5 |
|
