| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | often [verb] a [noun sg] | 353 |
|
| 2 | [adv] involve a [noun sg] | 183 |
|
| 3 | [adv] involve a [noun sg] | 149 |
|
| 4 | often involve [art] [noun sg] | 27 |
|
| 5 | often involve a [noun] | 13 |
|
| 6 | often involve a [noun sg] | 12 |
|
