| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] over a [adj] period | 181 |
|
| 2 | [noun sg] over a [adj] period | 165 |
|
| 3 | [noun sg] [prep] a long period | 102 |
|
| 4 | [noun] over a long period | 95 |
|
| 5 | [noun sg] over a long period | 81 |
|
| 6 | [noun sg] over a long [noun sg] | 77 |
|
| 7 | [noun sg] over a long [noun] | 77 |
|
| 8 | [noun sg] over [art] long period | 66 |
|
| 9 | [noun sg] over a long period | 66 |
|
