| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] [art] [noun sg] 20 per | 7 |
|
| 2 | [noun sg] [prep] [art] [noun sg] 20 per | 5 |
|
| 3 | [prep] [art] [noun sg] [prep] 20 per | 11 |
|
| 4 | [prep] [art] [noun sg] [prep] 20 per | 11 |
|
| 5 | [prep] [art] [noun sg] of 20 per | 6 |
|
| 6 | [prep] [art] [noun sg] of 20 per | 6 |
|
| 7 | [prep] [art] [noun sg] 20 per [unc] | 11 |
|
| 8 | [prep] [art] [noun sg] 20 per cent | 11 |
|
| 9 | [prep] [art] [noun sg] 20 per cent | 11 |
|
| 10 | [prep] [art] [noun sg] 20 per [no cls] | 11 |
|
