| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] a [noun sg] [modal v] | 1847 |
|
| 2 | but [adj] [noun sg] [modal v] | 479 |
|
| 3 | but a [noun sg] [modal v] | 135 |
|
| 4 | but [adj] a [noun sg] | 92 |
|
