| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [prep] a few weeks | 13 |
|
| 2 | and [prep] a few weeks | 13 |
|
| 3 | and within a few weeks | 5 |
|
| 4 | and after a few weeks | 5 |
|
| 5 | and after a few weeks | 5 |
|
| 6 | and within a few weeks | 5 |
|
