| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] over a [adj] period | 307 |
|
| 2 | [noun pl] over a [adj] [noun] | 296 |
|
| 3 | [noun pl] over a [adj] [noun sg] | 282 |
|
| 4 | [noun pl] [prep] a [adj] period | 229 |
|
| 5 | [noun pl] [prep] a [adj] period | 229 |
|
| 6 | [noun pl] over [art] [adj] period | 146 |
|
| 7 | [noun pl] over a [adj] period | 105 |
|
| 8 | [noun pl] over a [adj] period | 105 |
|
