| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] must [vb infin] to be | 27 |
|
| 2 | [noun sg] must [vb infin] to [be] | 18 |
|
| 3 | [noun pl] must [vb infin] to [be] | 7 |
|
| 4 | [noun] must continue to [be] | 6 |
|
