| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have [be] [num] days | 5 |
|
| 2 | it [verb] been [num] days | 5 |
|
| 3 | it [verb] be [num] days | 5 |
|
| 4 | it [verb] [been] [num] days | 5 |
|
