| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have led to a [noun] | 186 |
|
| 2 | have led [prep] a [noun sg] | 180 |
|
| 3 | have led [prep] a [noun] | 147 |
|
| 4 | has led [prep] a [noun] | 108 |
|
| 5 | have led [prep] an [noun] | 40 |
|
| 6 | have led [prep] a [noun] | 34 |
|
| 7 | had led [prep] a [noun] | 26 |
|
| 8 | have led [prep] a [noun] | 17 |
|
| 9 | have led [prep] a increase | 14 |
|
| 10 | have led [prep] a increase | 14 |
|
| 11 | have led [prep] a [n mass] | 6 |
|
| 12 | have led [prep] a decline | 6 |
|
| 13 | have led [prep] a decline | 6 |
|
| 14 | have led [prep] a series | 5 |
|
| 15 | have led [prep] a fall | 5 |
|
| 16 | have led [prep] a series | 5 |
|
| 17 | have led [prep] a reduction | 5 |
|
| 18 | have led [prep] a reduction | 5 |
|
| 19 | have led [prep] a fall | 5 |
|
