| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | contribution to the [noun] | 778 |
|
| 2 | contribution to the [noun sg] | 672 |
|
| 3 | [noun] to the study | 216 |
|
| 4 | [noun sg] to the study | 154 |
|
| 5 | contribution to the study | 14 |
|
| 6 | contribution to the study | 9 |
|
| 7 | contribution to [art] study | 9 |
|
| 8 | contribution [prep] the study | 9 |
|
| 9 | contribution to the study | 9 |
|
| 10 | contribution [prep] the study | 9 |
|
| 11 | contribution to [art] study | 9 |
|
| 12 | contribution to the study | 9 |
|
