| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] did n't [vb infin] | 25015 |
|
| 2 | [Wh pn] did n't [vb infin] | 313 |
|
| 3 | [Wh pn] [pron] did n't | 12 |
|
