| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been regarded as a [adj] | 18 |
|
| 2 | have been regarded [prep] a [adj] | 18 |
|
| 3 | have been regarded as a [adj] | 18 |
|
| 4 | have been regarded [prep] an [adj] | 9 |
|
| 5 | have been regarded [prep] a [adj] | 9 |
|
| 6 | had been regarded [prep] a [adj] | 5 |
|
| 7 | has been regarded [prep] a [adj] | 5 |
|
