| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [prep] a [adj] | 2229 |
|
| 2 | have been [vb pp] [prep] a [adj] | 2046 |
|
| 3 | have been described [prep] [art] [adj] | 44 |
|
| 4 | have been described [prep] a [adj] | 26 |
|
| 5 | have be described [prep] a [adj] | 24 |
|
| 6 | have [be] described [prep] a [adj] | 24 |
|
| 7 | have [been] described [prep] a [adj] | 24 |
|
| 8 | [verb] been described [prep] a [adj] | 24 |
|
| 9 | have been describe [prep] a [adj] | 24 |
|
