| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] days | 826 |
|
| 2 | [prep] [adj] days of | 594 |
|
| 3 | [prep] a [adj] of | 392 |
|
| 4 | a [adj] days of | 65 |
|
