| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] [verb] | 13966 |
|
| 2 | which [vb -s] [verb] | 5054 |
|
| 3 | [pron] involves [verb] | 165 |
|
| 4 | which involve [verb] | 162 |
|
| 5 | [Wh det] involves [verb] | 69 |
|
| 6 | which involves [verb] | 69 |
|
