| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | per cent [adv prt] [prep] last year | 7 |
|
| 2 | [no cls] cent [adv prt] [prep] last year | 7 |
|
| 3 | per cent [adv prt] [prep] last year | 7 |
|
| 4 | [unc] cent [adv prt] [prep] last year | 7 |
|
