| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [prep] a few week | 12 |
|
| 2 | but [prep] a few week | 12 |
|
| 3 | but [prep] a few week | 12 |
|
| 4 | but [prep] a few weeks | 12 |
|
| 5 | but [prep] a few week | 10 |
|
