| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] [adv] [adv] as | 712 |
|
| 2 | must [be] [vb pp] [adv] [adv] | 142 |
|
| 3 | must [be] [vb pp] [adv] as | 18 |
|
