| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] contribute to the [noun sg] | 127 |
|
| 2 | [adv] contribute to the [noun sg] | 25 |
|
| 3 | [modal v] [adv] contribute to the | 23 |
|
| 4 | [modal v] [adv] contribute to [noun sg] | 11 |
|
