| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] must [be] open to | 6 |
|
| 2 | must [be] open to [noun sg] | 7 |
|
| 3 | must [be] open to [noun] | 7 |
|
| 4 | must [be] open to [adj] | 6 |
|
