| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a few days ' | 29 |
|
| 2 | [prep] a few days ['s] | 29 |
|
| 3 | in a few days ['s] | 17 |
|
| 4 | after a few days ['s] | 6 |
|
