| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [adv] a [noun] | 1873 |
|
| 2 | [vb infin] [Wh adv] [art] [noun] | 813 |
|
| 3 | [verb] [Wh adv] a [noun] | 576 |
|
