| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to contribute to [noun] | 59 |
|
| 2 | to contribute to [noun sg] | 47 |
|
| 3 | [verb] to knowledge | 26 |
|
| 4 | [to-vb] to knowledge | 9 |
|
| 5 | contribute to knowledge | 8 |
|
| 6 | to contribute to knowledge | 6 |
|
| 7 | to contribute [prep] knowledge | 6 |
|
