| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a few [unc] cent of | 6 |
|
| 2 | a [det] [no cls] cent of | 6 |
|
| 3 | a [det] per cent of | 6 |
|
| 4 | a [det] per cent of | 6 |
|
