| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | did n't [pron] [vb infin] down | 5 |
|
| 2 | [vb past] n't [pers pn] [vb infin] down | 5 |
|
| 3 | [vb past] n't [pron] [vb infin] down | 5 |
|
