| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] on a month | 18 |
|
| 2 | [noun prp] on a visit | 16 |
|
| 3 | [noun prp] on a number | 15 |
|
| 4 | [noun prp] on a day | 13 |
|
| 5 | london on a [noun sg] | 11 |
|
| 6 | [noun prp] on a mission | 8 |
|
| 7 | [noun prp] on a charge | 7 |
|
| 8 | [noun prp] on a tour | 6 |
|
| 9 | commons on a [noun sg] | 5 |
|
| 10 | [noun prp] on a trip | 5 |
|
| 11 | [noun prp] on a package | 5 |
|
| 12 | britain on a [noun sg] | 5 |
|
