| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who did [not/n't] [verb] to | 64 |
|
| 2 | who did [not/n't] [vb infin] to | 64 |
|
| 3 | [pron] did [not/n't] respond to | 22 |
|
| 4 | who [verb] [not/n't] respond to | 13 |
|
| 5 | who do [not/n't] respond to | 13 |
|
| 6 | who did [not/n't] respond to | 8 |
|
| 7 | who did [not/n't] respond to | 8 |
|
| 8 | who did [adv] respond to | 8 |
|
| 9 | who did [not/n't] respond [prep] | 8 |
|
| 10 | who did [not/n't] respond [prep] | 8 |
|
| 11 | who [vb past] [not/n't] respond to | 8 |
|
