| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adv] [adj] per [unc] | 1846 |
|
| 2 | [prep] [adv] [adj] per cent | 1840 |
|
| 3 | [prep] [adv] [adj] [unc] cent | 1840 |
|
| 4 | [prep] [adv] [adj] [no cls] cent | 1840 |
|
