| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [art] [adj] | 1220 |
|
| 2 | [conj] [modal v] have been [adj] | 134 |
|
| 3 | [conj] [modal v] have [art] [adj] | 123 |
|
| 4 | [conj] [modal v] have been [art] | 87 |
|
