| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who they [modal v] [verb] | 20 |
|
| 2 | who they [modal v] [vb infin] | 20 |
|
| 3 | who they [vb mod] [verb] | 20 |
|
| 4 | who they will [verb] | 8 |
|
