| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] over a period of [adj] | 108 |
|
| 2 | [noun pl] [prep] a period of [adj] | 92 |
|
| 3 | [noun pl] [prep] a period of [adj] | 92 |
|
| 4 | [noun pl] over a [noun] of [adj] | 63 |
|
| 5 | [noun pl] over a [noun sg] of [adj] | 62 |
|
| 6 | [noun pl] over a period [prep] [adj] | 46 |
|
| 7 | [noun pl] over a period [prep] [adj] | 46 |
|
| 8 | [noun pl] over [art] period of [adj] | 45 |
|
| 9 | [noun pl] over [art] period of [adj] | 45 |
|
| 10 | [noun pl] over a period of [adj] | 45 |
|
| 11 | [noun pl] over a period of [adj] | 45 |
|
| 12 | [noun pl] over a period of [adj] | 45 |
|
| 13 | [noun pl] over a period of [adj] | 45 |
|
