| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [vb pp] [prep] [be] [adj] [prep] | 331 |
|
| 2 | [be] [vb pp] [prep] [be] [adj] to | 234 |
|
| 3 | [is] [verb] [prep] [be] [adj] to | 85 |
|
