| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] [adv] than [adj] per | 11 |
|
| 2 | [be] [adv] [adv] than [num] per | 11 |
|
| 3 | [be] [adv] less than [adj] per | 7 |
|
| 4 | is [adv] [adv] than [adj] per | 5 |
|
| 5 | [is] [adv] [adv] than [adj] per | 5 |
|
