| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [verb] to [art] | 1707 |
|
| 2 | [verb] contribute to [art] | 348 |
|
| 3 | [vb pp] contribute [prep] [art] | 55 |
|
| 4 | [vb pp] contribute [prep] [art] | 55 |
|
| 5 | [vb pp] contribute to [art] | 48 |
|
| 6 | [vb pp] contribute to [art] | 48 |
|
