| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [to-vb] or [vb infin] | 239 |
|
| 2 | [Wh adv] [to-vb] [conj] [vb infin] | 186 |
|
| 3 | [Wh adv] [to-vb] or [verb] | 30 |
|
| 4 | [Wh adv] [verb] or [vb infin] | 29 |
|
