| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over a [adj] period | 462 |
|
| 2 | over a long [noun sg] | 205 |
|
| 3 | over a wide [noun sg] | 123 |
|
| 4 | over a [adj] area | 93 |
|
| 5 | over a [adj] range | 74 |
|
| 6 | over a large [noun sg] | 50 |
|
| 7 | over a certain [noun sg] | 33 |
|
| 8 | over a [adj] time | 25 |
|
| 9 | over a five-year [noun sg] | 25 |
|
| 10 | over a short [noun sg] | 25 |
|
| 11 | over a [adj] heat | 24 |
|
| 12 | over a three-year [noun sg] | 24 |
|
| 13 | over a given [noun sg] | 23 |
|
| 14 | over a small [noun sg] | 18 |
|
| 15 | over a [adj] number | 17 |
|
| 16 | over a [adj] part | 16 |
|
| 17 | over a new [noun sg] | 16 |
|
| 18 | over a whole [noun sg] | 16 |
|
| 19 | over a two-year [noun sg] | 16 |
|
| 20 | over a prolonged [noun sg] | 15 |
|
| 21 | over a considerable [noun sg] | 14 |
|
| 22 | over a low [noun sg] | 14 |
|
| 23 | over a vast [noun sg] | 12 |
|
| 24 | over a [adj] distance | 11 |
|
| 25 | over a similar [noun sg] | 9 |
|
| 26 | over a good [noun sg] | 9 |
|
| 27 | over a 10-year [noun sg] | 9 |
|
| 28 | over a [adj] interval | 9 |
|
| 29 | over a limited [noun sg] | 9 |
|
| 30 | over a great [noun sg] | 9 |
|
