| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] must n't [be] | 12 |
|
| 2 | [noun] must n't be | 12 |
|
| 3 | [noun] must n't be | 12 |
|
| 4 | [noun sg] must n't [be] | 6 |
|
| 5 | [noun pl] must n't [be] | 5 |
|
