| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have led to [noun] | 221 |
|
| 2 | led to [noun] [prep] | 128 |
|
| 3 | have to [noun] [prep] | 99 |
|
| 4 | have led [noun] [prep] | 37 |
|
