| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] [been] a [adj] | 766 |
|
| 2 | it [verb] [vb pp] a [adj] | 605 |
|
| 3 | [verb] [been] [vb pp] a [adj] | 516 |
|
| 4 | it [verb] [been] [vb pp] [adj] | 165 |
|
| 5 | it [verb] [been] [vb pp] a | 34 |
|
