| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have led [prep] a significant | 5 |
|
| 2 | [verb] led [prep] a significant | 5 |
|
| 3 | led [prep] a significant [noun] | 5 |
|
| 4 | led [prep] a significant [noun sg] | 5 |
|
