| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [be] [vb pp] [prep] [be] [adv] | 10 |
|
| 2 | must [be] [vb pp] [prep] be [adv] | 10 |
|
| 3 | must [be] [vb pp] [prep] [be] [adv] | 10 |
|
| 4 | must be [vb pp] [prep] [be] [adv] | 10 |
|
| 5 | must be [vb pp] [prep] [be] [adv] | 10 |
|
| 6 | must [be] [vb pp] [prep] be [adv] | 9 |
|
| 7 | must [be] [vb pp] [prep] [be] [adv] | 9 |
|
| 8 | must [be] [vb pp] to [be] [adv] | 9 |
|
| 9 | must [be] seen [prep] [be] [adv] | 5 |
|
