| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] often involve a [noun sg] | 6 |
|
| 2 | often involve a [adj] [noun sg] | 5 |
|
| 3 | often involve a [noun sg] of | 9 |
|
| 4 | often involve a [noun sg] of | 9 |
|
| 5 | often involve a [noun sg] [prep] | 9 |
|
| 6 | often involve a [noun sg] [prep] | 9 |
|
