| No | Pattern | Freq | Relations |
|---|---|---|---|
| 31 | their [noun] over a period [prep] | 5 |
|
| 32 | [noun] [noun] over a period [prep] | 38 |
|
| 33 | [noun] [noun pl] over a period [prep] | 19 |
|
| 34 | [noun] [noun sg] over a period [prep] | 16 |
|
| 35 | [noun] [verb] over a period [prep] | 8 |
|
| 36 | [noun] [vb pp] over a period [prep] | 8 |
|
| 37 | [noun] [conj] over a period [prep] | 7 |
|
| 38 | [noun] [adv] over a period [prep] | 7 |
|
| 39 | [noun] [adv] over a period [prep] | 7 |
|
| 40 | [noun] [coord] over a period [prep] | 6 |
|
| 41 | [noun] over a [adj] period [prep] | 97 |
|
| 42 | [noun] over a [adj] period [prep] | 91 |
|
| 43 | [noun] over a long period [prep] | 50 |
|
| 44 | [noun] over a long period [prep] | 45 |
|
| 45 | [noun] over a prolonged period [prep] | 8 |
|
| 46 | [noun] over a prolonged period [prep] | 8 |
|
| 47 | [noun] over a [adj -er] period [prep] | 6 |
|
| 48 | [noun] over a longer period [prep] | 5 |
|
| 49 | [noun] over a period [prep] [prep] | 9 |
|
| 50 | [noun] over a period of [prep] | 9 |
|
| 51 | [noun] over a period [prep] [prep] | 9 |
|
| 52 | [noun] over a period of [prep] | 9 |
|
| 53 | [noun] over a period [prep] [noun] | 128 |
|
| 54 | [noun] over a period [prep] [adj] | 109 |
|
| 55 | [noun] over a period [prep] [num] | 96 |
|
| 56 | [noun] over a period [prep] [noun sg] | 75 |
|
| 57 | [noun] over a period [prep] time | 75 |
|
| 58 | [noun] over a period [prep] time | 75 |
|
| 59 | [noun] over a period [prep] [noun pl] | 53 |
|
| 60 | [noun] over a period [prep] year | 30 |
|
