| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [adj] a [noun] [modal v] | 401 |
|
| 2 | but [adj] [art] [noun] [modal v] | 38 |
|
| 3 | but [adj] [art] [noun] [modal v] | 38 |
|
| 4 | but [adj] a [noun] [modal v] | 33 |
|
