| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | did not respond to [pron] | 10 |
|
| 2 | did [not/n't] respond to [pos pn] | 10 |
|
| 3 | did [not/n't] respond to his | 5 |
|
| 4 | did [not/n't] respond to his | 5 |
|
