| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] a [adj] per cent | 18 |
|
| 2 | [adv] [prep] a [adj] [no cls] cent | 18 |
|
| 3 | [adv] [prep] a [num] [no cls] cent | 17 |
|
