| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | led to [art] [adj] | 258 |
|
| 2 | had led to [art] | 153 |
|
| 3 | had led [art] [adj] | 35 |
|
| 4 | had led to [adj] | 31 |
|
| 5 | had to [art] [adj] | 17 |
|
