| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] to [be] [adj] | 738 |
|
| 2 | [vb pp] to [be] [adj] to | 331 |
|
| 3 | is to [be] [adj] to | 21 |
|
| 4 | is [vb pp] [be] [adj] to | 12 |
|
