| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have [been] a [adj] | 752 |
|
| 2 | it have [vb pp] a [adj] | 539 |
|
| 3 | have [been] [vb pp] a [adj] | 434 |
|
| 4 | it have [been] [vb pp] [adj] | 63 |
|
| 5 | it have [been] [vb pp] a | 34 |
|
