| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] to contribute to the | 26 |
|
| 2 | be [vb pp] to contribute to the | 26 |
|
| 3 | be [vb pp] to contribute to the | 8 |
|
| 4 | [be] [vb pp] to contribute to the | 8 |
|
| 5 | is [vb pp] to contribute to the | 7 |
|
| 6 | [is] [vb pp] to contribute to the | 7 |
|
| 7 | [was/were] [vb pp] to contribute to the | 6 |
|
| 8 | [vb pp] to contribute to the [noun] | 30 |
|
| 9 | [vb pp] to contribute to the [noun sg] | 26 |
|
