| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [modal v] [vb infin] to | 1157 |
|
| 2 | [adv] [modal v] [vb infin] to | 239 |
|
| 3 | [Wh det] [adv] [modal v] [vb infin] | 201 |
|
| 4 | [Wh det] [adv] [modal v] to | 6 |
|
