| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | does [adv] necessarily involve | 13 |
|
| 2 | [vb -s] [adv] necessarily involve | 13 |
|
| 3 | [vb -s] [not/n't] necessarily involve | 13 |
|
| 4 | [vb -s] not necessarily involve | 13 |
|
| 5 | [vb -s] not necessarily involve | 13 |
|
