No | Pattern | Freq | Relations |
---|---|---|---|
1 | [be] [verb] [prep] a period | 196 | |
2 | [be] [verb] [prep] a period | 196 | |
3 | [be] [verb] over a [noun] | 173 | |
4 | [be] [verb] over [art] period | 58 | |
5 | [be] [verb] over [art] period | 58 | |
6 | [be] [verb] over a period | 46 | |
7 | [be] [verb] over a period | 46 |