| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | or [num] days at [art] time | 6 |
|
| 2 | or [num] days [prep] [art] time | 6 |
|
| 3 | or [num] days [prep] a time | 6 |
|
| 4 | or [num] days at [art] time | 6 |
|
| 5 | or [num] days [prep] [art] time | 6 |
|
