| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [adv] be [verb] | 1062 |
|
| 2 | must [adv] be [vb pp] | 996 |
|
| 3 | [modal v] [adv] be regarded | 217 |
|
| 4 | must [adv] be regarded | 15 |
|
| 5 | must [adv] be regard | 13 |
|
| 6 | must [adv] [be] regarded | 13 |
|
| 7 | must [adv] [be] regarded | 13 |
|
| 8 | must [adv] be regarded | 13 |
|
