| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [prep] a few days | 14 |
|
| 2 | but [prep] a [det] days | 14 |
|
| 3 | but [prep] a few days | 14 |
|
| 4 | but after a [adj] days | 9 |
|
