| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] do [not/n't] involve | 21 |
|
| 2 | which do [adv] involve | 21 |
|
| 3 | [Wh det] do not involve | 21 |
|
| 4 | [Wh det] do not involve | 20 |
|
