| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but why did [not/n't] [pers pn] [verb] | 18 |
|
| 2 | but why did [not/n't] [pers pn] [vb infin] | 18 |
|
| 3 | but why did [not/n't] [pers pn] tell | 9 |
|
| 4 | but why did [not/n't] [pers pn] tell | 9 |
|
