| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a further 15 per [unc] | 5 |
|
| 2 | [prep] a further 15 per cent | 5 |
|
| 3 | [prep] a further 15 per [no cls] | 5 |
|
| 4 | [prep] a further 15 per cent | 5 |
|
