| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [adj] to | 142 |
|
| 2 | [vb pp] [be] [adj] to | 123 |
|
| 3 | is [vb pp] [be] [adj] | 97 |
|
| 4 | is [be] [adj] to | 13 |
|
