| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [Wh adv] [verb] [pers pn] [vb infin] | 6 |
|
| 2 | [modal v] [verb] [Wh adv] do [pers pn] [vb infin] | 6 |
|
| 3 | [vb mod] [verb] [Wh adv] [verb] [pers pn] [vb infin] | 6 |
|
| 4 | [modal v] [verb] how [verb] [pers pn] [vb infin] | 5 |
|
