| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | base on a [num] per cent | 5 |
|
| 2 | base [prep] a [num] per cent | 5 |
|
| 3 | base [prep] a [num] per cent | 5 |
|
| 4 | base on a [num] per cent | 5 |
|
| 5 | based [prep] a [num] per cent | 5 |
|
