| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [art] [adj] | 1220 |
|
| 2 | it [modal v] have been [adj] | 1047 |
|
| 3 | it [modal v] have been [art] | 720 |
|
| 4 | it [modal v] have [art] [adj] | 166 |
|
| 5 | it have been [art] [adj] | 10 |
|
