| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [verb] [adv prt] in the | 6 |
|
| 2 | must [be] [verb] [adv prt] in the | 6 |
|
| 3 | must [be] [vb pp] [adv prt] in the | 5 |
|
