| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] [vb infin] [noun sg] | 3514 |
|
| 2 | [Wh pn] [modal v] [adv] [vb infin] | 1133 |
|
| 3 | [Wh pn] [modal v] [vb infin] [noun sg] | 450 |
|
