| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [det] month | 403 |
|
| 2 | but [prep] a [det] | 105 |
|
| 3 | but [prep] a month | 11 |
|
| 4 | but a [det] month | 9 |
|
| 5 | but [prep] [det] month | 8 |
|
