| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [modal v] have [been] [vb pp] [art] | 8 |
|
| 2 | [conj] [modal v] have [been] [vb pp] [art] | 8 |
|
| 3 | [conj] [modal v] [verb] [been] [vb pp] a | 6 |
|
| 4 | [conj] [modal v] have [been] [vb pp] a | 6 |
|
| 5 | [conj] [modal v] have [be] [vb pp] a | 6 |
|
| 6 | [conj] [modal v] have [been] [verb] a | 6 |
|
