| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [prep] a [det] [noun] | 92 |
|
| 2 | but [prep] a [det] [noun pl] | 85 |
|
| 3 | [conj] [prep] a [det] years | 59 |
|
| 4 | but [prep] a [adj] years | 15 |
|
| 5 | but [prep] [art] [det] years | 13 |
|
| 6 | but [prep] a [det] year | 13 |
|
