| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have be described [prep] [adj] | 17 |
|
| 2 | have [been] described [prep] [adj] | 17 |
|
| 3 | have been described [prep] [adj] | 17 |
|
| 4 | have [be] described in [adj] | 11 |
|
