| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [modal v] have been [art] | 135 |
|
| 2 | [modal v] have been [art] [num ord] | 83 |
|
| 3 | [noun prp] [modal v] have [art] [num ord] | 5 |
|
