| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this have led [prep] a | 26 |
|
| 2 | this [verb] led [prep] a | 26 |
|
| 3 | this had [verb] [prep] a | 19 |
|
| 4 | this had [vb pp] [prep] a | 18 |
|
| 5 | this had led [prep] [art] | 11 |
|
| 6 | this had led [prep] [art] | 11 |
|
| 7 | [adj] had led [prep] a | 10 |
|
| 8 | this had led [prep] a | 7 |
|
| 9 | this had lead [prep] a | 7 |
|
| 10 | this [vb past] led [prep] a | 7 |
|
