| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] over a long period | 120 |
|
| 2 | [verb] over a long period | 46 |
|
| 3 | [noun] [verb] over a period | 9 |
|
| 4 | [noun] [verb] a long period | 8 |
|
| 5 | [noun] [verb] over a long | 5 |
|
