No | Pattern | Freq | Relations |
---|---|---|---|
1 | [vb mod] [be] [vb pp] over a [noun] | 32 | |
2 | [vb mod] [be] [vb pp] [prep] a period | 31 | |
3 | [vb mod] [be] [vb pp] over [art] period | 11 | |
4 | [vb mod] [be] [verb] over a period | 7 | |
5 | [vb mod] [be] [vb pp] over a period | 7 | |
6 | [modal v] [be] [vb pp] over a period | 7 |