| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | on board the | 266 |
|
| 2 | on balance the | 17 |
|
| 3 | on average the | 16 |
|
| 4 | on earth the | 16 |
|
| 5 | on record the | 15 |
|
| 6 | on occasion the | 14 |
|
| 7 | on paper the | 11 |
|
| 8 | on tv the | 9 |
|
| 9 | on arrival the | 9 |
|
| 10 | on land the | 8 |
|
| 11 | on appeal the | 8 |
|
| 12 | on completion the | 8 |
|
| 13 | on television the | 8 |
|
| 14 | on duty the | 7 |
|
| 15 | on top the | 7 |
|
| 16 | on stage the | 7 |
|
| 17 | on examination the | 5 |
|
| 18 | on form the | 5 |
|
