| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have led [prep] a | 22 |
|
| 2 | which have led to a | 22 |
|
| 3 | which have led [prep] a | 22 |
|
| 4 | which have led to a | 22 |
|
| 5 | which has led [prep] a | 9 |
|
| 6 | which had led [prep] a | 8 |
|
| 7 | which have led [prep] a | 5 |
|
