| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] led to a increase | 10 |
|
| 2 | [vb -s] lead to an increase | 10 |
|
| 3 | has lead to a increase | 10 |
|
| 4 | [vb -s] lead to a increase | 10 |
|
