| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] over a [adj] period | 86 |
|
| 2 | have [verb] over a [adj] | 34 |
|
| 3 | have [verb] a [adj] period | 15 |
|
| 4 | have [verb] over a period | 7 |
|
