| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] [pron] [vb infin] [prep] | 1984 |
|
| 2 | [Wh adv] [verb] [pron] [vb infin] [prep] | 1197 |
|
| 3 | why [verb] [pron] [verb] [prep] | 313 |
|
| 4 | why [verb] [pron] [vb infin] [prep] | 259 |
|
