| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [verb] and who [modal v] | 8 |
|
| 2 | [vb mod] be [verb] and who [modal v] | 8 |
|
| 3 | be [verb] and who [modal v] [vb infin] | 7 |
|
| 4 | be [verb] and who [modal v] [verb] | 7 |
|
