No | Pattern | Freq | Relations |
---|---|---|---|
1 | [noun] over [art] long period | 121 | |
2 | [noun] over a long period | 120 | |
3 | [noun] over a long period | 120 | |
4 | [noun] over [art] long period | 96 | |
5 | [noun sg] over [art] long period | 81 | |
6 | [noun pl] over [art] long period | 34 | |
7 | [noun] over [art] longer period | 25 |