| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] a 15 per cent | 13 |
|
| 2 | [noun sg] [prep] a 15 per cent | 7 |
|
| 3 | [noun pl] [prep] a 15 per cent | 5 |
|
| 4 | [prep] a [adj] 15 per cent | 6 |
|
| 5 | [prep] a [adj -er] 15 per cent | 5 |
|
| 6 | [prep] a further 15 per cent | 5 |
|
| 7 | [prep] a far 15 per cent | 5 |
|
| 8 | [prep] a 15 per cent [noun] | 14 |
|
| 9 | [prep] a 15 per cent [noun sg] | 13 |
|
