| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for [adj] days at a [noun] | 6 |
|
| 2 | for [adj] days at a time | 6 |
|
| 3 | for [adj] days at a [noun sg] | 6 |
|
| 4 | for [adj] days at a time | 6 |
|
| 5 | for [det] days at a [noun] | 5 |
|
