| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] [adv] [vb infin] a [noun sg] | 3581 |
|
| 2 | [Wh pn] [modal v] [adv] [vb infin] [art] [noun sg] | 233 |
|
| 3 | [Wh pn] [modal v] [adv] [vb infin] a [noun] | 96 |
|
| 4 | [Wh pn] [modal v] [adv] [verb] a [noun sg] | 94 |
|
