| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [modal v] [vb infin] been | 934 |
|
| 2 | [conj] [vb mod] [vb infin] been | 934 |
|
| 3 | [conj] may [vb infin] be | 120 |
|
| 4 | [conj] may [vb infin] [be] | 120 |
|
| 5 | [conj] may [verb] been | 118 |
|
| 6 | [conj] may [vb infin] been | 118 |
|
| 7 | [conj] may [vb infin] [been] | 118 |
|
