| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] a [adj] | 884 |
|
| 2 | have [been] a clear | 18 |
|
| 3 | [verb] [been] a clear | 18 |
|
| 4 | [vb infin] [been] a clear | 6 |
|
| 5 | have [been] [art] clear | 6 |
|
| 6 | have [been] [art] clear | 6 |
|
| 7 | have [been] a clear | 6 |
|
| 8 | have [be] a clear | 6 |
|
