| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [vb mod] [verb] [Wh det] [vb mod] [verb] | 8 |
|
| 2 | [noun pl] [vb mod] [vb infin] [Wh det] [modal v] [verb] | 8 |
|
| 3 | [noun pl] [vb mod] [verb] [Wh det] [modal v] [vb infin] | 8 |
|
| 4 | [noun pl] [vb mod] [verb] which [modal v] [verb] | 6 |
|
