| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] over a [adj] period | 262 |
|
| 2 | [noun pl] over a [adj] [noun] | 216 |
|
| 3 | [noun pl] [prep] a [adj] period | 183 |
|
| 4 | [noun pl] [prep] a [adj] period | 183 |
|
| 5 | [noun pl] over [art] [adj] period | 111 |
|
| 6 | [noun pl] over [art] [adj] period | 111 |
|
| 7 | [noun pl] over a [adj] period | 98 |
|
| 8 | [noun pl] over a [adj] period | 94 |
|
| 9 | [noun pl] over a [adj] period | 87 |
|
