| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | play a leading role in | 58 |
|
| 2 | [vb past] a leading role in | 20 |
|
| 3 | played a leading role in | 20 |
|
| 4 | [vb pp] a leading role in | 19 |
|
| 5 | take a leading role in | 17 |
|
| 6 | [to-vb] a leading role in | 17 |
|
| 7 | played a leading role in | 12 |
|
| 8 | [v-ing] a leading role in | 9 |
|
| 9 | to play a leading role in | 9 |
|
| 10 | playing a leading role in | 7 |
|
| 11 | to take a leading role in | 7 |
|
| 12 | [vb infin] a leading role in | 5 |
|
| 13 | [vb base] a leading role in | 5 |
|
