| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] [adv] [vb infin] a | 5768 |
|
| 2 | [Wh det] [modal v] [adv] [vb infin] [art] | 525 |
|
| 3 | [Wh det] [modal v] [adv] [verb] a | 166 |
|
