| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] must [be] [adj -er] [conj] | 37 |
|
| 2 | [noun] must [vb infin] [be] [conj] | 12 |
|
| 3 | [noun] must [vb infin] [be] [adj -er] | 10 |
|
| 4 | must [vb infin] [be] [adj -er] [conj] | 7 |
|
