| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] [conj] did [adv] | 7 |
|
| 2 | who [vb past] [conj] did [not/n't] | 7 |
|
| 3 | who [vb past] [conj] did not | 7 |
|
| 4 | who [vb past] [conj] did not | 6 |
|
