| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | contribute [prep] [adj] [noun sg] | 213 |
|
| 2 | may [prep] [adj] [noun sg] | 17 |
|
| 3 | may contribute [prep] [adj] | 13 |
|
| 4 | may contribute [prep] [noun sg] | 8 |
|
