| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [vb pp] [det] [noun sg] | 26 |
|
| 2 | must [be] [vb pp] that [noun sg] | 11 |
|
| 3 | must [be] given [det] [noun sg] | 6 |
|
| 4 | must [be] [vb pp] some [noun sg] | 5 |
|
