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