| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] must be [vb pp] clear | 12 |
|
| 2 | [pron] must be [vb pp] clear | 8 |
|
| 3 | it must be [vb pp] clear | 7 |
|
| 4 | [noun sg] must be [vb pp] clear | 7 |
|
| 5 | it must be [vb pp] clear | 7 |
|
| 6 | [pers pn] must be [vb pp] clear | 7 |
|
| 7 | [noun pl] must be [vb pp] clear | 5 |
|
| 8 | must be [vb pp] clear [prep] | 9 |
|
| 9 | must be [vb pp] clear [prep] | 9 |
|
| 10 | must be [vb pp] clear to | 6 |
|
| 11 | must be [vb pp] clear to | 6 |
|
