| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be regarded as | 549 |
|
| 2 | must be [verb] as | 227 |
|
| 3 | must be [vb pp] as | 226 |
|
| 4 | must be regarded [prep] | 41 |
|
| 5 | must be regarded [prep] | 41 |
|
| 6 | must be regarded as | 38 |
|
| 7 | must [be] regarded as | 38 |
|
| 8 | must [be] regarded as | 38 |
|
| 9 | must be regarded as | 38 |
|
| 10 | must be regard as | 38 |
|
