No | Pattern | Freq | Relations |
---|---|---|---|
1 | [coord] [prep] a period of | 32 | |
2 | [coord] [prep] a period of | 32 | |
3 | [coord] over a [noun] of | 29 | |
4 | [coord] over a [noun sg] of | 27 | |
5 | [conj] over a period of | 25 | |
6 | [coord] over a period of | 18 | |
7 | [coord] over a period [prep] | 18 | |
8 | [coord] over [art] period of | 18 | |
9 | [coord] over a period of | 18 |