| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can be [verb] [is] [prep] [noun] | 6 |
|
| 2 | can [be] [vb pp] [is] [prep] [noun] | 6 |
|
| 3 | can [be] [verb] is [prep] [noun] | 6 |
|
