| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [noun] must be [prep] | 172 |
|
| 2 | [art] [noun] must be [det] | 34 |
|
| 3 | [noun] must be [prep] [det] | 21 |
|
| 4 | [art] [noun] must [prep] [det] | 10 |
|
| 5 | [art] [noun] be [prep] [det] | 10 |
|
