| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at least [num] days ' | 11 |
|
| 2 | [prep] least [num] days ' | 11 |
|
| 3 | at least [num] days ' | 11 |
|
| 4 | [prep] least [num] days ' | 11 |
|
| 5 | least [num] days ' [noun] | 9 |
|
| 6 | least [num] days ' notice | 8 |
|
| 7 | least [num] days ' [noun sg] | 8 |
|
| 8 | least [num] days ' notice | 8 |
|
