| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [prep] [art] 15 per [no cls] | 10 |
|
| 2 | [noun sg] [prep] [art] 15 per cent | 10 |
|
| 3 | [noun sg] [prep] [art] 15 per cent | 10 |
|
| 4 | [noun sg] [prep] [art] 15 per [unc] | 10 |
|
