| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [vb pp] [prep] | 74301 |
|
| 2 | be [vb pp] clear [prep] | 169 |
|
| 3 | [modal v] be clear [prep] | 123 |
|
| 4 | [modal v] be [vb pp] clear | 76 |
|
