| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [adj] to [adj] | 376 |
|
| 2 | [modal v] [be] open to [adj] | 54 |
|
| 3 | [modal v] [be] open [prep] [adj] | 31 |
|
| 4 | [modal v] [be] open to [adj] | 28 |
|
