| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [verb] [prep] [det] a | 20 |
|
| 2 | have [been] [vb pp] [prep] [det] a | 19 |
|
| 3 | have [been] [adj] [prep] [det] a | 5 |
|
| 4 | have [been] [adj] [prep] [det] a | 5 |
|
