| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] to [art] | 44476 |
|
| 2 | contribute to [art] | 2051 |
|
| 3 | [vb pp] contribute to | 73 |
|
| 4 | [vb pp] contribute [art] | 9 |
|
