| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] make a [adj] contribution to | 13 |
|
| 2 | be make a [adj] contribution to | 13 |
|
| 3 | [be] make a [adj] contribution to | 12 |
|
| 4 | [be] making a [adj] contribution to | 10 |
|
| 5 | is make a [adj] contribution to | 8 |
|
| 6 | [is] make a [adj] contribution to | 8 |
|
