| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [vb pp] [art] | 2284 |
|
| 2 | have [been] [vb pp] [art] | 2284 |
|
| 3 | have [been] [vb pp] a | 1230 |
|
| 4 | have [been] [verb] an | 305 |
|
| 5 | have [be] [vb pp] an | 160 |
|
| 6 | [verb] [been] [vb pp] an | 160 |
|
