| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a few weeks [prep] | 63 |
|
| 2 | [prep] a few [prep] [det] | 15 |
|
| 3 | a few weeks [prep] [det] | 15 |
|
| 4 | [prep] a few weeks [det] | 11 |
|
