| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been clear for some time | 5 |
|
| 2 | [verb] [be] clear for some time | 5 |
|
| 3 | have [be] clear for some time | 5 |
|
| 4 | [verb] [been] clear for some time | 5 |
|
| 5 | [verb] be clear for some time | 5 |
|
