| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] may [adv] have contribute | 12 |
|
| 2 | [noun sg] may [adv] have contribute | 8 |
|
| 3 | may [adv] have contribute to | 16 |
|
| 4 | may [adv] have contribute [prep] | 16 |
|
| 5 | may [adv] have contribute to | 16 |
|
| 6 | may [adv] have contribute [prep] | 16 |
|
