| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [prep] a few days | 17 |
|
| 2 | [to-vb] [prep] a few days | 17 |
|
| 3 | [to-vb] [prep] a [det] days | 17 |
|
| 4 | [to-vb] for a [adj] days | 13 |
|
