| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can be [vb pp] clearly | 20 |
|
| 2 | can be [vb pp] clearly | 20 |
|
| 3 | can [be] [vb pp] clearly | 20 |
|
| 4 | can [be] seen clearly | 18 |
|
