No | Pattern | Freq | Relations |
---|---|---|---|
1 | [noun] [noun pl] over [art] period | 38 | |
2 | [noun sg] [noun pl] over [art] period | 31 | |
3 | [noun] [noun pl] over a period | 20 | |
4 | [noun] [noun pl] over a period | 20 | |
5 | [noun] [noun pl] over the period | 18 | |
6 | [noun] [noun pl] over the period | 18 |