| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | contributed [prep] the [noun] | 363 |
|
| 2 | have [prep] the [noun] | 264 |
|
| 3 | have contributed [prep] the | 62 |
|
| 4 | have contributed [prep] [noun] | 7 |
|
