| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [pron] did n't [verb] back | 5 |
|
| 2 | [adv] [pers pn] did n't [verb] back | 5 |
|
| 3 | [adv] did n't [pron] [verb] back | 6 |
|
| 4 | [adv] did n't [pers pn] [verb] back | 6 |
|
