| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [noun] must be [prep] | 172 |
|
| 2 | [noun] must be [prep] [pron] | 42 |
|
| 3 | [art] [noun] must be [pron] | 21 |
|
| 4 | [art] [noun] be [prep] [pron] | 14 |
|
