| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [modal v] [pron] [adv] [verb] [art] | 69 |
|
| 2 | [Wh adv] [modal v] [pron] [adv] [verb] [art] | 40 |
|
| 3 | why [modal v] [pron] [adv] [verb] [art] | 10 |
|
