| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] over a period | 34 |
|
| 2 | [verb] [adv prt] over [art] period | 25 |
|
| 3 | [vb pp] [adv] over [art] period | 23 |
|
| 4 | [verb] [adv] over [art] period | 20 |
|
| 5 | [verb] [adv] over the period | 12 |
|
| 6 | [verb] up over [art] period | 9 |
|
| 7 | [verb] up over [art] period | 9 |
|
| 8 | [vb past] [adv] over [art] period | 7 |
|
| 9 | build [adv] over [art] period | 6 |
|
| 10 | built [adv] over [art] period | 5 |
|
