| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] have been [adj] | 1070 |
|
| 2 | it [modal v] have been [prep] | 230 |
|
| 3 | [modal v] have been [prep] [adj] | 214 |
|
| 4 | it have been [prep] [adj] | 116 |
|
| 5 | it [modal v] have [prep] [adj] | 10 |
|
