| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [art] [noun] [modal v] | 75 |
|
| 2 | be [art] [noun] must | 11 |
|
| 3 | [be] [art] [noun] must | 11 |
|
| 4 | [is] [art] [noun] must | 5 |
|
| 5 | is [art] [noun] must | 5 |
|
