| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why did [adv] [pron] [verb] | 608 |
|
| 2 | did [adv] [pron] [verb] [adv] | 176 |
|
| 3 | why did [pron] [verb] [adv] | 143 |
|
| 4 | why did [adv] [pron] [adv] | 42 |
|
