| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] to contribute to the | 26 |
|
| 2 | is [verb] to contribute to the | 9 |
|
| 3 | be [verb] to contribute to the | 8 |
|
| 4 | be expect to contribute to the | 7 |
|
| 5 | be expected to contribute to the | 7 |
|
| 6 | are [verb] to contribute to the | 5 |
|
