| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] a key role in | 146 |
|
| 2 | play a key role in | 119 |
|
| 3 | to play a [adj] role in | 117 |
|
| 4 | to play a [adj] role in | 104 |
|
| 5 | to play [art] key role in | 12 |
|
| 6 | to play [art] key role in | 12 |
|
| 7 | to play a key [noun sg] in | 10 |
|
| 8 | [to-vb] a key role in | 10 |
|
| 9 | to play a key [noun] in | 10 |
|
| 10 | to play a key role in | 9 |
|
| 11 | to play a key role [prep] | 9 |
|
| 12 | to play a key role [prep] | 9 |
|
| 13 | to play a key role in | 9 |
|
| 14 | to play a key role in | 9 |
|
| 15 | to play a key role in | 9 |
|
