| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a few weeks of | 32 |
|
| 2 | [prep] a few weeks of | 32 |
|
| 3 | within a few weeks of | 24 |
|
| 4 | within a few weeks of | 24 |
|
| 5 | after a few weeks of | 7 |
|
| 6 | after a few weeks of | 7 |
|
