| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be regarded [prep] | 157 |
|
| 2 | must [adv] be [prep] | 100 |
|
| 3 | must be regarded [prep] | 41 |
|
| 4 | must [adv] be regarded | 13 |
|
