| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | did [adv] [pron] | 4848 |
|
| 2 | why did [pron] | 1349 |
|
| 3 | why did [adv] | 762 |
|
| 4 | why [adv] [pron] | 86 |
|
