| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have [been] clear [prep] | 9 |
|
| 2 | [vb mod] have [been] clear [prep] | 9 |
|
| 3 | [vb mod] have been clear [prep] | 9 |
|
| 4 | [vb mod] have [been] clear to | 6 |
|
| 5 | [vb mod] have [been] clear to | 6 |
|
| 6 | must have [been] clear [prep] | 5 |
|
