| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be a [noun] [prep] the | 78 |
|
| 2 | must be a [noun] [prep] the | 78 |
|
| 3 | [modal v] be a [noun] on the | 65 |
|
| 4 | must be a [noun] on [art] | 8 |
|
| 5 | must be [art] [noun] on the | 8 |
|
| 6 | must be a [noun] on [art] | 8 |
|
| 7 | must be a [noun] on the | 7 |
|
| 8 | must [be] a [noun] on the | 7 |
|
| 9 | must be a [noun] on the | 7 |
|
