| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] 20 per | 50 |
|
| 2 | [prep] [art] 20 per | 50 |
|
| 3 | by [art] [num] per | 40 |
|
| 4 | by [art] [adj] per | 40 |
|
| 5 | by [art] 20 per | 5 |
|
| 6 | by [art] 20 per | 5 |
|
| 7 | by [art] 20 per | 5 |
|
| 8 | by [art] 20 per | 5 |
|
| 9 | by [art] 20 [unc] | 5 |
|
| 10 | by [art] 20 [no cls] | 5 |
|
