| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | on an [adj] [noun] | 2378 |
|
| 2 | on an [adj] [noun] | 2314 |
|
| 3 | on an [adj] [noun sg] | 2290 |
|
| 4 | on an [adj] basis | 390 |
|
| 5 | on an [adj] basis | 390 |
|
| 6 | on an [adj] scale | 119 |
|
| 7 | on an [adj] scale | 119 |
|
| 8 | on an individual [noun] | 84 |
|
| 9 | on an individual [noun] | 84 |
|
| 10 | on an annual [noun] | 80 |
|
| 11 | on an annual [noun] | 80 |
|
| 12 | on an old [noun] | 71 |
|
| 13 | on an equal [noun] | 68 |
|
| 14 | on an equal [noun] | 68 |
|
| 15 | on an old [noun] | 66 |
|
| 16 | on an international [noun] | 66 |
|
| 17 | on an international [noun] | 66 |
|
| 18 | on an early [noun] | 61 |
|
| 19 | on an open [noun] | 54 |
|
| 20 | on an open [noun] | 54 |
|
| 21 | on an [adj] [noun prp] | 51 |
|
| 22 | on an empty [noun] | 50 |
|
| 23 | on an empty [noun] | 50 |
|
| 24 | on an official [noun] | 42 |
|
| 25 | on an official [noun] | 42 |
|
| 26 | on an [adj -er] [noun] | 36 |
|
| 27 | on an [adj] footing | 35 |
|
| 28 | on an [adj] footing | 35 |
|
| 29 | on an [adj] level | 33 |
|
| 30 | on an [adj] level | 33 |
|
