| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun sg] [art] | 2256 |
|
| 2 | but [prep] a [noun sg] | 1432 |
|
| 3 | but [prep] [noun sg] [art] | 311 |
|
| 4 | but a [noun sg] [art] | 5 |
|
