| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] over a period | 83 |
|
| 2 | [vb pp] over a period | 78 |
|
| 3 | made over a [noun] | 11 |
|
| 4 | made over [art] period | 8 |
|
| 5 | made over [art] period | 8 |
|
| 6 | made [prep] a period | 7 |
|
| 7 | made [prep] a period | 7 |
|
| 8 | made over a period | 5 |
|
| 9 | made over a period | 5 |
|
| 10 | make over a period | 5 |
|
