| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] have been [vb pp] clear [prep] | 8 |
|
| 2 | [noun] have been [vb pp] clear [prep] | 8 |
|
| 3 | [noun] have been made clear [prep] | 6 |
|
| 4 | [noun] had been [vb pp] clear [prep] | 5 |
|
