| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] [been] [adj] | 1263 |
|
| 2 | [verb] to have [been] [adj] | 594 |
|
| 3 | it [verb] to have [been] | 118 |
|
| 4 | it [verb] to have [adj] | 42 |
|
| 5 | it to have [been] [adj] | 5 |
|
