| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | contribute to a [noun] | 157 |
|
| 2 | has contribute to a | 17 |
|
| 3 | has contribute to [noun] | 6 |
|
| 4 | has to a [noun] | 6 |
|
| 5 | has contribute a [noun] | 5 |
|
