| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] have be reduced [prep] | 8 |
|
| 2 | [num] have be reduce [prep] | 8 |
|
| 3 | [num] have been reduce [prep] | 8 |
|
| 4 | [num] had be reduce [prep] | 7 |
|
