| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [adv] if [pron] could [verb] | 6 |
|
| 2 | but [adv] if [pers pn] could [verb] | 6 |
|
| 3 | but [adv] if [pron] could [vb infin] | 6 |
|
| 4 | but [adv] if [pron] could [verb] | 6 |
|
