| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] itself have be | 8 |
|
| 2 | [modal v] itself have be | 8 |
|
| 3 | may itself have be | 6 |
|
| 4 | may itself have be | 6 |
|
| 5 | itself [vb mod] have be | 11 |
|
| 6 | itself [modal v] have be | 11 |
|
| 7 | itself have be [vb pp] | 5 |
|
| 8 | itself have be [verb] | 5 |
|
