| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the [noun] must be [vb pp] | 1194 |
|
| 2 | the [noun] must be [adj] | 435 |
|
| 3 | [noun] must be [vb pp] [adj] | 140 |
|
| 4 | the [noun] be [vb pp] [adj] | 15 |
|
