| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have long be regarded | 21 |
|
| 2 | [verb] long be regarded | 21 |
|
| 3 | [verb] long been regarded | 21 |
|
| 4 | has long be regarded | 16 |
|
| 5 | [vb -s] long be regarded | 16 |
|
