| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] over a period of | 25 |
|
| 2 | out over a [noun sg] of | 13 |
|
| 3 | up over a [noun sg] of | 10 |
|
| 4 | [adv prt] over a number of | 8 |
|
| 5 | in over a [noun sg] of | 5 |
|
