| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun] must be [vb pp] | 2169 |
|
| 2 | [noun] must be [vb pp] to | 472 |
|
| 3 | [adj] [noun] be [vb pp] to | 110 |
|
| 4 | [adj] must be [vb pp] to | 23 |
|
| 5 | [adj] [noun] must be to | 10 |
|
