| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] of [n mass] must be | 11 |
|
| 2 | [noun sg] of [n mass] must be | 9 |
|
| 3 | of [adj] [n mass] must be | 10 |
|
| 4 | of [det] [n mass] must be | 5 |
|
| 5 | of [n mass] must be [verb] | 10 |
|
| 6 | of [n mass] must be [vb pp] | 9 |
|
