| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [noun] must be [vb pp] | 215 |
|
| 2 | [noun] must be [vb pp] [adj] | 140 |
|
| 3 | and [noun] must be [adj] | 43 |
|
| 4 | and must be [vb pp] [adj] | 7 |
|
