| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [no cls] why did not [pron] [vb infin] | 6 |
|
| 2 | [no cls] [Wh adv] did not [pron] [vb infin] | 6 |
|
| 3 | [no cls] [adv] did not [pron] [vb infin] | 6 |
|
| 4 | [no cls] why did not [pron] [vb infin] | 6 |
|
