| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [adv] [vb past] [pron] [verb] | 680 |
|
| 2 | [conj] [Wh adv] [vb past] [pron] [verb] | 349 |
|
| 3 | [conj] why [verb] [pron] [verb] | 229 |
|
| 4 | [conj] why [vb past] [pron] [verb] | 105 |
|
