| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have lead [prep] | 167 |
|
| 2 | which have lead to | 165 |
|
| 3 | which have lead to | 165 |
|
| 4 | which have led [prep] | 164 |
|
| 5 | which had lead [prep] | 73 |
|
| 6 | which has lead [prep] | 61 |
|
| 7 | which have lead [prep] | 33 |
|
