| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why did n't [pers pn] [vb infin] | 596 |
|
| 2 | [adv] why did [pers pn] [vb infin] | 138 |
|
| 3 | [adv] why did n't [pers pn] | 67 |
|
| 4 | [adv] did n't [pers pn] [vb infin] | 19 |
|
