| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [Wh det] [modal v] [noun] [vb infin] | 16 |
|
| 2 | but [pron] [modal v] [noun] [vb infin] | 8 |
|
| 3 | but [Wh det] [modal v] [noun] [verb] | 8 |
|
