| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | contribute to the [adj] [noun] | 45 |
|
| 2 | contribute to the [adj] [noun] | 45 |
|
| 3 | contribute to the [adj] [noun sg] | 42 |
|
| 4 | contribute to the [adj] [noun] | 39 |
|
| 5 | contribute to the [adj -er] [noun] | 5 |
|
