| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why did [not/n't] i [vb infin] | 45 |
|
| 2 | why did [not/n't] i [vb infin] | 45 |
|
| 3 | why did n't i [vb infin] | 44 |
|
| 4 | why did [not/n't] i think | 16 |
|
| 5 | why did [not/n't] i go | 5 |
|
