| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | make a significant contribution to | 70 |
|
| 2 | made a significant contribution to | 18 |
|
| 3 | [vb pp] a significant contribution to | 18 |
|
| 4 | [vb infin] a significant contribution to | 17 |
|
| 5 | make a significant contribution to | 17 |
|
| 6 | [to-vb] a significant contribution to | 11 |
|
| 7 | to make a significant contribution to | 9 |
|
| 8 | [vb past] a significant contribution to | 9 |
|
| 9 | made a significant contribution to | 8 |
|
| 10 | [vb base] a significant contribution to | 7 |
|
| 11 | [v-ing] a significant contribution to | 7 |
|
| 12 | [vb -s] a significant contribution to | 6 |
|
| 13 | making a significant contribution to | 6 |
|
| 14 | make a significant contribution to | 6 |
|
| 15 | makes a significant contribution to | 6 |
|
