| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] are [prep] | 319 |
|
| 2 | involve be [prep] | 20 |
|
| 3 | involve [be] [prep] | 20 |
|
| 4 | involve are [prep] | 8 |
|
| 5 | involve [am/are] [prep] | 8 |
|
