| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | did [adv] [pers pn] [vb infin] | 1414 |
|
| 2 | why did [pers pn] [vb infin] | 1149 |
|
| 3 | why did [adv] [pers pn] | 667 |
|
