| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [prep] a few days | 8 |
|
| 2 | be [v-ing] [prep] a few days | 8 |
|
| 3 | be [v-ing] for a few days | 6 |
|
| 4 | be [v-ing] for a few days | 6 |
|
