| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] lead to the | 58 |
|
| 2 | [Wh det] have lead to the | 56 |
|
| 3 | [Wh det] [verb] led to the | 55 |
|
| 4 | [Wh det] [vb past] lead to the | 36 |
|
| 5 | [Wh det] had lead to the | 34 |
|
| 6 | [Wh det] [vb -s] lead to the | 18 |
|
| 7 | [Wh det] has lead to the | 18 |
|
